add default robots.txt
change default database driver to mysqli
Merge pull request #161 from kalaker/master

Reflect new app URL
Create stikked_lang.php
create original date_lang.php in /russian folder
Russian translation
Russian translation of form_validation_lang.php
Partial Russian translation of date_lang.php
Update stikked_lang.php
Merge pull request #164 from Kondra007/master

Russian translation for Stikked
Merge pull request #151 from glensc/robots

add default robots.txt
robots.txt configurable
Thanks to BalzySte for the hint!
CodeMirror 4.5.

for the record, these are the new files:

/cobol/
/css/less.html
/css/less_test.js
/cypher/
/django/
/dtd/
/dylan/
/eiffel/
/fortran/
/gas/
/gherkin/
/haml/
/index.html
/jade/
/javascript/json-ld.html
/javascript/test.js
/julia/
/kotlin/
/mllike/
/nginx/
/octave/
/pegjs/
/php/test.js
/puppet/
/rpm/index.html
/rpm/rpm.js
/ruby/test.js
/shell/test.js
/slim/
/smartymixed/
/solr/
/toml/
/verilog/test.js
/xml/test.js
Added Logcat

from https://github.com/mathur/Stikked/blob/master/htdocs/application/libraries/geshi/geshi/logcat.php

fixes #158
Fix utf8 with 4-byte unicode characters

Yes, very annoying. WTF unicode??! Thought this charset supports *every
fuckin character out there*?

 #fail

fixes #152
fix margin at the bottom
fixed removed spaces when viewing differences (#142)
Added dynamic line highlighter

fixes #138
Added favicon in bootstrap theme

fixes #119