"Restriction to resource format when youtube url added implemented"
Fixed Generating URL issue.
Merge remote-tracking branch 'upstream/release-6.6.3.a1' into release-6.6.3.a1
Fixed UI Issues while adding youtube url.
Added AccessMode, Author values in search page
Merge branch 'release-6.6.3.a1' of https://github.com/Gooru/Gooru-Web into release-6.6.3.a1
Merge pull request #2391 from sravanthi1/release-6.6.3.a1

"Restriction to resource format when youtube url added implemented"
Merge pull request #2392 from mitraj/release-6.6.3.a1

Added AccessMode, Author values in search page.
Merge pull request #2389 from suryanarayanakb/release-6.6.3.a1

"Handling the nulls"
Merge remote-tracking branch 'upstream/release-6.6.3.a1' into release-6.6.3.a1

* upstream/release-6.6.3.a1:
  Added AccessMode, Author values in search page
  "Collection progress left and right arrows issue fixed"
  "handling the null"
  "Restriction to resource format when youtube url added implemented"
  "Handling the null values"
  "Terms of use done"
Merge pull request #2393 from anilgooru/release-6.6.3.a1

Fixed Generating URL issue.
Merge remote-tracking branch 'upstream/release-6.6.3.a1' into release-6.6.3.a1

Conflicts:
	src/main/java/org/ednovo/gooru/shared/util/StringUtil.java