Fix: style WYSIWYG on Chrome
Re-edit Latex formula
Fix: reuse module
update addthis code of mr.Cuong
Merge pull request #1 from voer-platform/replace_addthis_code

update addthis code of mr.Cuong
Remove Fakepath in input file
Change hint content of input file
Merge branch 'trunk' of https://github.com/voer-platform/vpw

# By Luong Trieu
# Via Luong Trieu (1) and luongtd (1)
* 'trunk' of https://github.com/voer-platform/vpw:
  update addthis code of mr.Cuong
Merge branch 'origin/trunk'