Merge pull request #19 from IFMO3512/web

Web
languages download updating
languages download updating (appearance problems fixed)
Delete api.iml
languages download updating v2
 languages download updating v.2
Merge remote-tracking branch 'origin/languages' into languages
Merge pull request #22 from IFMO3512/languages

languages download updating
Merge remote-tracking branch 'origin/master' into improvements-#20

Conflicts:
	web/src/main/webapp/view/scripts/main.js
#20 refactoring