Merge pull request #6 from voer-platform/fix_bugs_from_aminh

Fix bugs from aminh
Merge branch 'fix_bugs_from_aminh'
Merge branch 'trunk' of https://github.com/voer-platform/vpw

# Via Luong Trieu (1) and luongtd (1)
* 'trunk' of https://github.com/voer-platform/vpw:
Attachment files when publish material
quick fix publish collection
Fix: publish collection
[feature] add favorite when view material detail
Merge branch 'trunk'