TC-1765 - api compatible with java 6
Merge pull request #276 from szprutamich/devel

TC-1765 - api compatible with java 6
TC-1764: fixed receipt for only billing periods for which service is active
Merge branch 'devel' of github.com:bitbar/testdroid-api into devel
fixed formatting
Review Fix and NP safe handling
Additional fixes
Additional fixes
Merge pull request #278 from stefanogreg/devel

TC-1764: fixed receipt for only billing periods for which service is active