change collection id to resource unit id
Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch
tooltip added for suggested time and minimum score
Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch

Conflicts:
	src/main/java/org/ednovo/gooru/shared/i18n/MessageProperties.java
	src/main/java/org/ednovo/gooru/shared/i18n/MessageProperties.properties
Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch
Merge pull request #1672 from anilgooru/dev-branch

Fixed miss match with service and async classes.
Highlight unit and assignment functionality has been implemented.
Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch
handled Right and Left arrow at unit set up.
Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch
Merge pull request #1673 from shivalinga/dev-branch

Highlight unit and assignment functionality has been implemented.
Merge pull request #1674 from VinRudramurthy/dev-branch

handled Right and Left arrow at unit set up.
Merge pull request #1668 from RavindderV/dev-branch

tooltip added for suggested time and minimum score
fixed length of unit title
Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch
showing question image issue fixed for suggested time and minimum score
Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch
set selected style name for default circle
commented unnecessary code
Merge pull request #1675 from nutan-gooru/dev-branch

Fixed length of unit title