easy colorbox integration, see also
https://github.com/simogeo/Filemanager/wiki/How-to-use-the-filemanager-with-colorbox-%3F
closing issue #181
closing issue #182
generate thumbnails and cache them to enhance performance when listing
directory
thumbnails now work with any configuration 
delete refresh is now working (fixing bug #167)
adding wideImage library
adding recursion on mkdir function
allowing developer to overwrite fileConnector parameter
IE 10 css hack on #file-input-container
utils/ folder added to Git index
adding donation button
change preview icons and fixed sub rename
updating pl connector (issue #183)
Fix for Issue #186 - #file-input-container problems in IE10/11
Merge pull request #189 from jzpeepz/master

Fix for Issue #186 - #file-input-container problems in IE10/11
added 'Move to...' functionality; PHP conector, CS, EN langs adjusted accordingly
generate min.js
Merge pull request #192 from zapik/moveTo

Method "move" for moving file/dir to specified dir
French, move action translation
conflict fixed