Added routing for adding project members.

Added routing for adding project members.

Removed routing for deleting project member.
Added function to list projects an user belongs to.

Added view to list projects an user belongs to.

Added view to list projects an user belongs to.

Fixed to show lists of projects user belongs to.

Added controller to list index of the projects an user belongs to.

Added controller to list index of the projects an user belongs to.

Fixed a bug. (was acquiring organizations when I needed projects)

Added controller spec to test listing the projects user belongs to.
Organized the code in projects_controller.

Organized the code.

Fixed a bug.
Added function to add users to projects.

Stylesheet for view.

Added a code to allow building child model.

Added message for project controller.

Added controller to manupilate adding user to projects.

Added controller to manupilate add/destroy user to/from projects.

Organized the code and added some error handling code.

Added organization validation to see if the target project
  belongs to the assigned organization.
Fixed a bug in validating if the target user belongs to the organization.

- Added join method for project member.
- Added create_project method to create projects from User model.
- Removed projects method since we have has_many projects relation.

Added join method for project member.

Added create_project method to create projects from User model.
Renamed relation_for_temporary method to relation_for_join method.
Removed projects method since we have has_many projects relation.

Added a form to add project member, and list project members.

Added controller spec to test function to add project members.

Added feature spec to test function to add project members.
Merge branch 'xengineer/add_member_to_project' of https://github.com/root04/designax into xengineer/add_member_to_project

Conflicts:
	app/views/user_projects/index.html.haml