Fixed #17
Removed .gitignore from .gitignore.
Added clang formatter configuration file
Followed Google-style like format
Moved theme file into theme dir.
Added license file.
WIP #19: fixed topicview.qml
Fixed format doesn't format properly
Fixed #19: Re-implement core feature to fit Qt 5.3.0
Closed #18: Images not updated
Merge branch 'dev'