#192: added specs for allowed_addresses to api defender
#192: refactoring of specs
fixed bug with creating links to the issue
#192: fixed undefined method
#192: updated factory, some refactoring of Issue observer
Merge pull request #210 from abf/rosa-build:192-specs-for-api-defender
 #192: add specs for API defender
Merge branch 'master' into 211-display-only-platforms-for-which-user-has-access-on-read