Merged in NRRPLT-8923 (pull request #7)

NRRPLT-8923

* [NRRPLT-8923] extend test coverage

* [NRRPLT-8923]BaseStorage fix name

* [NRRPLT-8923]adding new config.json to test files

* [NRRPLT-8923] make CollabConnector testable

* Merge branch 'NRRPLT-8923' of bitbucket.org:hbpneurorobotics/nrp-proxy into NRRPLT-8923

* [NRRPLT-8923] fixing config tests

* [NRRPLT-8923] Adress comments

* [NRRPLT-8923] Depreciated HandleError removed

* fixed 2 tests

* fixed test rather than removed


Approved-by: Sandro Weber