Merge pull request #236 from hammond13/master

Bug #234 Replace function: non-php connector support, IE support
adjusting css li width
this may fix multiple input file dialog (?)
- filetypes check insensitive (closing #237)
- enhancements on replace function (closing #234)
- replace function is now available to any connector
code indentation
Adding Preview method documentation
adding thumbnail parameter to 'preview' URL sample
display parent folder is deleted folder is current view (closing #217)
removing bitdeli badge
Update and rename welcome.txt to .htaccess

Prevent php files to be interpreted in userfiles folder
Merge pull request #241 from hammond13/master

disallow script execution in IIS for uploaded files.  Issue #240
prevent all scripts execution
exclude web.config file from UI
Add the ability to create a connector user config file to make FM update
easier (no overwrite) - closing issue #238
Security message update
formatting
Remove thumbnails when deleting files/folders (closing #242)
Error message update (closing issue #243)
adding 'ü' char conversion
implement online edition (PHP conn.) based on CodeMirror - closing issue
#224