make model module lowercase
gallery rename to ==> photo
gallery rebuild done
bugfix for model change
Merge pull request #18 from ScenK/develop

Develop
now use local to compress static files
Merge pull request #19 from ScenK/develop

now use local to compress static files
add utctime format function
commit compressed files
Merge pull request #20 from ScenK/develop

Develop
Merge pull request #1 from ScenK/master

Gallery logic change and add waterfal layout function