Changed page cache directory

Removed cached pages from being commited to git repo.
Removed default adjacent highlighting for player's nodes
Re-factored code to use 'try!'
Re-named UsersController to UsersController::Base
Re-factored some code into methods

Re-named @user to current_user
Deleted cached files
Documentation and minor code changes
Fixed up plurals on names
Implemented a CreatePlayerService
Merge branch 'misc' into dev
Implemented users
Merge branch 'issue4/user-model' into dev

Closes #4
Changed node transport modes to be symbols for consistency
Minor updates

Changed scss files to sass syntax
Merge branch 'misc' into dev
Removed users helper from the controller
Merge branch 'misc' into dev
Fixed serialization issue with serialization_options method suddenly missing
Merge branch 'misc' into dev
Implemented double move tickets