chore(*): add travis status icon
chore(merge): upstream '906049e'

Conflicts:
	README.md
chore(merge): merge commit '1c0f1e2' from upstream
chore(jacoco): exclude generated classes from converage analysis
chore(jacoco): generate reports during build

No need to test again, report can be transferred to coveralls directly.
chore(travis): update build to include report generation
chore(merge): merge branch 'coveralls'
Merge pull request #62 from istonikula/master

Jacoco and coveralls tuning