Update to the newest lua_yajl.c.
Merge pull request #25 from ahmedcharles/lua_yajl

Update to the newest lua_yajl.c.
Sort the lists of files in src.pro.
Enabled notifications for all successful builds

This way Gitter can show us all notifications of successful builds.
Merge pull request #26 from ahmedcharles/sort

Sort the lists of files in src.pro.