form empoyes edit start_year in birt_date to current date - 15
form empoyes edit end_year in birt_date to current date - 15
translate clients and edit css
Merge branch 'development' of github.com:jakubsindelar/fiktivni_firma into development

Conflicts:
	app/views/clients/_form.html.erb
	app/views/clients/index.html.erb
migration
added coloumn to clients
.