Fixed 7 bugs. 1. File upload limit reduced to 2MB.
2. Cancel button correctlly works in write-post panel.
3. No old attaches after cancelling a post.
4. PCManFM now works with Firefox.
5. Chinese long filename now displays correctly.
6. No alerts will block the path button.
7. Jump with -1 -- let it go.
Merge pull request #9 from mrroach9/dev-v0.3.0

Dev v0.3.0
fixed 2 bugs.
1. client_secret added.
2. contributor list's cancel button now works correctly.
quick fix
Merge remote-tracking branch 'origin/master'

Conflicts:
	js/bbs/config.js