Added preloader for allocation, and disabled rm last one line from allocation
change names of month, teams, extra cost types and services to id in urls
Merge branch 'develop' into feature/gui

Conflicts:
	src/ralph_scrooge/urls.py
fix url routes
Merge pull request #303 from kula1922/feature/gui

Added preloader for allocation, and disabled rm rows when there is only last row
Merge branch 'develop' into fix/from-test

Conflicts:
	src/ralph_scrooge/migrations/0003_auto__add_field_extracost_remarks__add_field_pricingobject_color.py