add server form validation message
issue,posting: Fix link to list page.

For both of issues and postings, make the link to the list page on the
view page to keep the query string used for the list just before see the
view page.

To do that, use referrer if only the referrer is to the list page.
fix clipboard error
show message on toggle watching

Conflicts:
	public/javascripts/service/yobi.board.View.js
	public/javascripts/service/yobi.issue.View.js
Adding Validation messages per input
fix #223
Merge pull request #161 from laziel/yobi refs/heads/yobi-52r
Merge pull request #200 from alecsiel/yobi refs/heads/issue-215
Merge pull request #199 from npcode/yobi refs/heads/fix/issue-list
Merge pull request #181 from kjkmadness/yobi refs/heads/bugfix/issue-search
fix #229, #230
Merge pull request #197 from alecsiel/yobi refs/heads/issue-112
fixed - autolink shar1 parse error
Merge pull request #185 from insanehong/hive refs/heads/issue/autolink-shar1