Merge pull request #342 from Pathologic/develop

KCFinder fixes
kcfinder changelog note
kcfinder, remove unused JS variable
test test test
test test test (reverted from commit 94365a59115b6aa0da452757b64677237287da88)
Replace referemce to MODX site in default "installed" page
Merge pull request #345 from kp52/develop

Remove reference to MODX site from default "installed" page
fix for 336
Merge pull request #346 from Cipa/develop

fix for 336
remove web users ie buttoms fix
#348 + sort docs style fix
Merge pull request #349 from Cipa/develop

#348 + sort docs style fix
fix for #337
Merge pull request #350 from Cipa/develop

fix for #337
Fix duplicating files after drag-n-drop upload