Merge pull request #4 from ChrisBoesch/master

merging updates
hotfix(problemEdit): requried to select valid answer

Signed-off-by: A. Prooks <aprooks@live.ru>
hotfix: videos create page link to Icon

Signed-off-by: A. Prooks <aprooks@live.ru>
feate(video): added to backend data

Signed-off-by: A. Prooks <aprooks@live.ru>
hotfix(videoPlayback): can playback video if logged in youtube

Signed-off-by: A. Prooks <aprooks@live.ru>
Merge pull request #36 from aprooks/master

question without valid answer could be created
hotfix(youtube): latest videojs-youtube

Signed-off-by: A. Prooks <aprooks@live.ru>
chore: built assets

Signed-off-by: A. Prooks <aprooks@live.ru>
Merge pull request #39 from aprooks/feature/createVideo

Feature/create video
feat(problems): solved/unsolved filtering

Signed-off-by: A. Prooks <aprooks@live.ru>
test(ProblemsList): problems can be preloaded

Signed-off-by: A. Prooks <aprooks@live.ru>
chore: built projects

Signed-off-by: A. Prooks <aprooks@live.ru>
Merge pull request #41 from aprooks/feature/unsolvedProblems

(un)solved problems
Merge pull request #5 from ChrisBoesch/master

merging PRs
feat(layout): topic and courses stubs

Signed-off-by: A. Prooks <aprooks@live.ru>
chore: built files

Signed-off-by: A. Prooks <aprooks@live.ru>
chore: karma dot reporter

Signed-off-by: A. Prooks <aprooks@live.ru>
chore: screenshots for topics and courses

Signed-off-by: A. Prooks <aprooks@live.ru>
Merge pull request #42 from aprooks/master

stub pages for topics and courses
feat: assosiated problems in video details

Signed-off-by: A. Prooks <aprooks@live.ru>