Merge pull request #1235 from anilgooru/dev-branch

Updated Links in home page.
Fixed  Change Mobile Friendly Tag
Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch
Merge pull request #1236 from nutan-gooru/dev-branch

Fixed Change Mobile Friendly Tag
Concepts and lesson array changes implemented for library.
Merge pull request #1237 from ssushma/dev-branch

Concepts and lesson array changes implemented for library.
Moved Window to top position on loading.
Merge remote-tracking branch 'upstream/dev-branch' into dev-branch

* upstream/dev-branch:
  Concepts and lesson array changes implemented for library.
  Fixed  Change Mobile Friendly Tag