OR-459 add parameter to /api/communities to allow title live checking
OR-459 update /api/communites doc
OR-459 add test for new /api/communites parameter
OR-459 add title live checking (directive) on community creation frontend
OR-459 frontend tests for ensureUniqueCommunityTitle directive
OR-459 fix typos/rephrase
OR-459 add midway tests for /api/communities with title and creator parameters
OR-459 correct title validation behavior
OR-459 build safe regexp for title case insensitive search
OR-459 fix bug : can now switch back and forth between step1 and step0
Merge pull request #342 in OR/rse from OR/rse-gcrosmarie:OR-459-handle-community-creation-errors to master

* commit '4112ec277305bb5759f44153a1c205e5d715b62f':
  OR-459 fix bug : can now switch back and forth between step1 and step0
  OR-459 build safe regexp for title case insensitive search
  OR-459 correct title validation behavior
  OR-459 add midway tests for /api/communities with title and creator parameters
  OR-459 fix typos/rephrase
  OR-459 frontend tests for ensureUniqueCommunityTitle directive
  OR-459 add title live checking (directive) on community creation frontend
  OR-459 add test for new /api/communites parameter
  OR-459 update /api/communites doc
  OR-459 add parameter to /api/communities to allow title live checking