add simple dependency injection
improve dependency injection
Merge branch 'master' of https://github.com/DaAndi82/sum

Conflicts:
	app/sum-frontend.js
add unit test configuration for karma and jasmine
prepare version 0.1.0
update setup.iss
set version 0.2.0-SNAPSHOT
fix #23
* add travis config
* remove karma
* add grunt task for jasmine
* improve grunt tasks
* update package version
* update travis config
* remove node_modules which are only used for dev
update README.md
add travis ci build image in README.md
- Style improvements CodeBox