UI: .ybtn-disabled style modified
UI: fix incorrect use of ybtn-disabled
jQuery.requestAs: modify to use custom handlers on event
ProjectHome: add nowrap style to line over text
SVN: fixed svn url to not to use loginid
SVN: updated no_head tutorial
Merge branch `issue/history-nowrap` of insanehong/hive

from pull request 443
UI: common ui.Spinner added. spin.js included in global for it
remove unused code
GIT: update no_head tutorial
README: default message is '# prject.name'
Member: add search by name
Notification: fixed to use url()
Merge branch `bugfix/url-to-view` of whiteship/yobi

from pull request 449
message: change message of label category, name
fix: Add the top and bottom margins of rendered table
CommentForm: no disable submit button on form submit anymore

These code were existed to prevent clicking submit button repeatedly.
but yobi.ui.Spinner takes that role, and it works on every form submit.
pullrequest: process merge asynchronously
Merge branch `improve/member` of alecsiel/yobi

from pull request 432
issue-label: increase usability of label editor

- some minor ui change
- easier to add label to a category