diff --git a/config b/config
new file mode 100644
index 0000000..efa4cda
--- /dev/null
+++ b/config
@@ -0,0 +1,66 @@
+#! /usr/bin/env bash
+
+. scripts/versioncmp.sh
+. scripts/log.sh
+
+function check_dep() {
+    local package=$1
+    local hint=$2
+    local version=$3
+    local version_to_check=$4
+    if [ $package ]
+    then
+        if hash $package 2>/dev/null; then
+
+            if [ "$version" ]
+            then
+
+                version_cmp $version $version_to_check
+                #python ./scripts/versioncmp.py $version $version_to_check
+                local cmp=$?
+
+                if [ "$cmp" == "2" ]
+                then
+                    error "$package version $version_to_check required. Yours is $version"
+                    info "$hint"
+                else
+                    info "$package version $version is fine. need ($version_to_check)"
+
+                fi
+            else
+                info "Found $package"
+
+            fi
+        else
+            error "Can't find '$package'."
+            info "$hint"
+        fi
+    else
+        error "first argument is empty"
+    fi
+}
+
+
+check_dep 'emacs' '' `emacs --version | head -n 1 | cut -d " " -f 3` '24.3'
+
+check_dep 'git' 'On Debian you can install git by installing "git-core" package.'
+check_dep 'bzr' 'On Debian you can install bzr by installing "bzr" package.'
+check_dep 'makeinfo' 'On Debian you can install makeinfo by installing "texinfo" package.'
+
+check_dep 'python' 'You need to install it from your package manager or from source'
+check_dep 'pep8' 'Install it using "pip" or "easy_install"'
+check_dep 'pyflakes' 'Install it using "pip" or "easy_install"'
+check_dep 'pychecker' 'Install it using "pip" or "easy_install"'
+check_dep 'pylint' 'Install it using "pip" or "easy_install"'
+check_dep 'jedi' 'Install it using "pip" or "easy_install"'
+check_dep 'epc' 'Install it using "pip" or "easy_install"'
+check_dep 'csscapture' 'Install it using "pip cssutils" or "easy_install cssutils"'
+check_dep 'csscombine' 'Install it using "pip cssutils" or "easy_install cssutils"'
+check_dep 'cssparse' 'Install it using "pip cssutils" or "easy_install cssutils"'
+
+check_dep 'ruby' 'You need to install it from your package manager or from source'
+check_dep 'rake' 'Install it using "gem install rake"'
+check_dep 'bundle' 'Install it using "gem install bundler"'
+
+check_dep 'xmlstarlet' 'On Debian you can install xmlstarlet by installing "xmlstarlet" package.'
+check_dep 'csslint' 'For installing csslint you need "nodejs". You can install "csslint" via "npm"'
diff --git a/scripts/log.sh b/scripts/log.sh
new file mode 100644
index 0000000..92cb05e
--- /dev/null
+++ b/scripts/log.sh
@@ -0,0 +1,23 @@
+#! /usr/bin/env bash
+
+# Coloring Functions
+function info() {
+    if [ "$1" ]
+    then
+        echo -e "[\033[01;32mINFO\033[00m]: $1"
+    fi
+}
+
+function error(){
+    if [ "$1" ]
+    then
+        echo -e "[\033[01;31mERR\033[00m]: $1"
+    fi
+}
+
+function warn(){
+    if [ "$1" ]
+    then
+        echo -e "[\033[01;33mWARN\033[00m]: $1"
+    fi
+}
diff --git a/scripts/versioncmp.py b/scripts/versioncmp.py
new file mode 100755
index 0000000..5da3c9e
--- /dev/null
+++ b/scripts/versioncmp.py
@@ -0,0 +1,14 @@
+import sys
+from distutils.version import LooseVersion
+
+
+def version_cmp(ver1, ver2):
+    print ">>>> ", ver1, ver2
+    if LooseVersion(ver1) < LooseVersion(ver2):
+        print 1
+    else:
+        print 0
+
+
+if __name__ == "__main__":
+    version_cmp(sys.argv[1], sys.argv[2])
diff --git a/scripts/versioncmp.sh b/scripts/versioncmp.sh
new file mode 100644
index 0000000..f6e57e0
--- /dev/null
+++ b/scripts/versioncmp.sh
@@ -0,0 +1,56 @@
+#!/bin/bash
+# Copyright (c) 2012 Yu-Jie Lin
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy of
+# this software and associated documentation files (the "Software"), to deal in
+# the Software without restriction, including without limitation the rights to
+# use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+# of the Software, and to permit persons to whom the Software is furnished to do
+# so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+VER_SPLIT_SED='s/\./ /g;s/\([[:digit:]]\)\([^[:digit:] ]\)/\1 \2/g;s/\([^[:digit:] ]\)\([[:digit:]]\)/\1 \2/g'
+
+# Compare with one element of version components
+_ver_cmp_1() {
+    [[ "$1" = "$2" ]] && return 0
+    if [[ -z "${1//[[:digit:]]/}" ]] && [[ -z "${2//[[:digit:]]/}" ]]; then
+        # Both $1 and $2 are numbers
+        # Using arithmetic comparison
+        (( $1 > $2 )) && return 1
+        (( $1 < $2 )) && return 2
+    else
+        # Either or both are not numbers, containing non-digit characters
+        # Using string comparison
+        [[ "$1" > "$2" ]] && return 1
+        [[ "$1" < "$2" ]] && return 2
+    fi
+    # This should not be happening
+    exit 1
+}
+
+version_cmp() {
+    local A B i result
+    A=($(sed "$VER_SPLIT_SED"  <<< "$1"))
+    B=($(sed "$VER_SPLIT_SED"  <<< "$2"))
+    i=0
+    while (( i < ${#A[@]} )) && (( i < ${#B[@]})); do
+        _ver_cmp_1 "${A[i]}" "${B[i]}"
+        result=$?
+        [[ $result =~ [12] ]] && return $result
+        let i++
+    done
+    # Which has more, then it is the newer version
+    _ver_cmp_1 "${#A[i]}" "${#B[i]}"
+    return $?
+}