added API for fetch school and school district
added support for fetch school and school district

Conflicts:

rest-v2-app/src/main/java/org/ednovo/gooru/controllers/v2/api/CountryRestV2Controller.java
Merge pull request #652 from skpcharles/master

Added API support for get class details, unit details and assignment
Added support for fetch the school and school-district
Merge pull request #653 from prakashraja89/master

	Added support for fetch the school and school-district
Fixed CORE-1792([GAT] Need API support for update the host filed of the resource)
Merge pull request #654 from saravanab/master

Fixed CORE-1792([GAT] Need API support for update the host filed of the ...
Added entity operation for school and district in CountryRestV2Controller
Added entity operation for school and district in CountryRestV2Controller
Merge pull request #655 from yamunaBQ/master

Added entity operation for school and district in CountryRestV2Controlle...
Moved the school and school district api to separate controller
Moved school and school district to separate controller
Merge pull request #656 from sheebans/master

Moved the school and school district api to separate controller
added try catch block in setviewscount method for  number format exception