Update dev_doc.markdown
for project content nil bug
Merge pull request #182 from caok/master

modify some spec and the show of notice
hard fix for content
Merge pull request #180 from kaku87/patch-1

add a question
merge and added hot fix
Merge branch 'master' of github.com:bay6/union
changed the fix back
Create hire.markdown
updated dev diary about the second online event
rename dev diary
Merge branch 'master' of github.com:bay6/union
Update hire.markdown