Fixed bugs created during Json
Introduced music class and it's constructor
Added play music
Cleaned up music object
Merge branch 'adding-music-feature' into develop
Merge pull request #24 from sarvsav/develop

Fixed bugs and Added music to the game
Music file renamed and added to codebase
Merge branch 'musicfiles' into develop
Merge pull request #25 from sarvsav/develop

Remaned music files
removed dragons from map
Modified map and added gravity
Gravity added, and Travis CI integrated
Merge branch 'gravity-feature' into develop
Merge pull request #26 from sarvsav/develop

Travis CI integrated and Added Gravity
Update .travis.yml

Removed clang compiler
Update .travis.yml

Added cutter for unit testing
Added build status to readme.md file
Reordered file names
Added libjson to the Travis Build
Update .travis.yml