add incident-type validation
Merge branch 'master' of https://github.com/Iuckyman/maydan into (4)Incident-type-server-validation

Conflicts:
	ui/Gruntfile.js
	ui/index.html
	webservice/db/data/incident-types.json
fixed review remarks
Merge pull request #13 from Iuckyman/(4)Incident-type-server-validation

(4)incident type server validation