Add path /projects/belonged to index, add method for getting belonged projects to user controller
Add path /projects for allProjects, add method for getting all projects to controller
Add project class to controller, move getAllProjects() and getBelongedProjects() from user controller to project controller
Refactor userManagement classes from camelCase to PascalCase, prettify code
Merge pull request #11 from onurv12/master

Add project controller and methods for getting belonged and all projects, add new paths to index