Added Contact Details & Employement Details in Profile.jsp & FriendsProfile.jsp


1)- Fetched Occupation details in all edit methods of registration module's controller,
2)- Added editOccupation() in Controller, Service & Dao Layer of Occupation
3)- to do so mapped Index object insted of Contact Object to @ ModelAttribute in editContact() of controller,
    and changed parameter of Service & dao methods to Index Object insted of Contact Object.
4)- In view Layer Added Employement Details div in Profile.jsp & Friends Profile.jsp.
5)- for JavaScript validation implemented 2 methods isCharKey() & isNumberKey() in Profile.jsp.

Signed-off-by: manojsa <sawantmanojm@gmail.com>
Created unique key for Tables under registration Module.

Signed-off-by: manojsa <sawantmanojm@gmail.com>