Merge pull request #1559 from anilgooru/dev-branch

Dev branch
Required and Optional setting API integrated
Merge pull request #1560 from ssushma/dev-branch

Required and Optional setting API integrated
edit unit asignment view has been updated.
Merge pull request #1561 from shivalinga/dev-branch

edit unit asignment view has been updated.
"pathway id added dynamically"
Merge remote-tracking branch 'upstream/dev-branch' into dev-branch
Required and Optional setting API integrated
Merge pull request #1562 from sravanthi1/dev-branch

"pathway id added dynamically for class setup page"
Merge pull request #1563 from ssushma/dev-branch

Required and Optional setting API integrated
""
Merge remote-tracking branch 'upstream/dev-branch' into dev-branch
"New Parameters added to assign collection to pathways"
Merge pull request #1565 from sravanthi1/dev-branch

"New Parameters added to assign collection to pathways"
integrated the assign pathway api
Merge pull request #1567 from RavindderV/dev-branch

integrated the assign pathway api