Updated: coderay refs #143
Merge pull request #144 from codefirst/id/143

Updated: coderay refs #143
Changed: http -> https in Gemfile refs #145
Merge pull request #146 from codefirst/id/145

Changed: http -> https in Gemfile refs #145
enable caching for API call refs #149
Merge pull request #150 from shimomura1004/id/149

enable caching for API call refs #149
Fixed: file DnD uploading was broken in Safari refs #151
Merge pull request #152 from codefirst/id/151

Fixed: file DnD uploading was broken in Safari refs #151
change cache key refs #149
Merge pull request #153 from shimomura1004/id/149

change cache key refs #149
Post on enter key refs #154

This fix is came from mallowlabs secret branch.
Fix test case refs #154
Merge pull request #155 from codefirst/id/154

Post on enter key refs #154
Fix: enable on the spot edit for updated message refs #157
Merge pull request #158 from codefirst/id/157

Fix: enable on the spot edit for updated message refs #157