Merge pull request #171 from Robyer/master

Czech langpack update.
fixing issue #170 by using setInterval call
now compatible with tinyMCE 4
now compatible with tinyMCE 4
tinyMCE : link to wikipage
doc update
changing from parent to top window for browsers compatibility
link to wiki page updated
minified
ability to set empty string as relPath value (#173)
Fix for #174
Merge pull request #175 from brian-knoll-micronetonline/master

Pull request for Fix for issue 174
fix issue #174
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