[cwd] correction for touch devices ( fix #266 )
[ui:cwd] correction for touch device (support long tap) & syntax strictly

ref. #266

Tap: Item select or Similar dblClick (selected item)
Long-tap: Similar dblClick (When nothing is chosen) or Multi (un)select
(When some are chosen)
Merge pull request #5 from Studio-42/2.x

#266 merge from Studio-42/elFinder