Update iOS SLRemoting dependency
Rename factory methods creating LBModelRepository

New names:
  `repositoryWithModelName:(NSString *)name`
  `repositoryWithModelClass:(Class)type`
Update API docs.
Commit xcode schemes to git

This change is necessary to allow CLI build of the solution
from a fresh git clone, e.g. on Jenkins.

See http://stackoverflow.com/a/7113723/69868
Merge pull request #12 from strongloop/feature/rename-repository-methods

Rename factory methods creating LBModelRepository