Reformat code,
Fix checkAll research bug
injecting requre.js whit utils
Changed filter type of course from number to enumeration.
Merge branch 'develop' of https://github.com/alexey-kozlenkov/ExadelPractice into develop
Merge branch 'develop' into alan-test-filter
merge changes with alan; add common.js for compatibility
One more commit about it
GIT files rename fix commit