Merge pull request #1588 from shivalinga/dev-branch

ClasspageListDo has been depricated for pathways.
Merge pull request #1589 from shivalinga/dev-branch

removed conflicts
Merge pull request #1590 from shivalinga/dev-branch

Fixed DO errors.
new class total hit count issue resolved
UnitSetup ui modified.
Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch
Merge pull request #1591 from ssushma/dev-branch

new class total hit count issue resolved
fixed popup mouseover issue
resolved conflict
Merge pull request #1592 from mitraj/dev-branch

UnitSetup ui modified.
Merge pull request #1593 from nutan-gooru/dev-branch

Fixed popup mouseover issue
Null pointer exception has been handled.