Add error message for invalid concept name
Minor update
Improve error handling in concept creation
Add test case for the poc fixes
Fix build
Revert change
Implement review comments
Merge branch 'master' into poc
Merge pull request #125 from 28msec/poc

POC fixes
Merge branch 'master' of github.com:28msec/nolap-report-editor into mandatory-root-element

Conflicts:
	app/report/taxonomy/concept/concept-page.js
	tests/e2e/basic-scenario.js
fixed bug in findInTree function
fixed report model and taxonomy unit tests