Big cleanup, module dependencies at installation as well as runtime, updated depdendencies and travis tests passing

• feat(social): Added first cut of Dropbox, Facebook, Github, LinkedIn and Twitter
• fix(package): JSON Syntax Error
• refactor(google): Cleanup of Google Controller
• feat(linkedin): Controller refactored - WIP
• chore(cleanup): No need to use array of routes anymore
• refactor(module): Moving code into separate modules
• refactor(module): sessionStore is now store
• update(deps): Remove references to npm packages other clever-auth modules use
• chore(git): Keep both test folders
• chore(docs): Updated readme
• refactor(module): Cleanup
• update(deps): Added clever-users@1.2.x to peerDependencies
• fix(deps): Added qs to dependencies
• refactor(tests): Use assets folder
• fix(travis): Before script correctly removes incorrectly installed module that will be fixed in NPM 3
• fix(deps): Removed dependency on clever-users to allow use of custom modules
• release(1.2.6): Big cleanup, module dependencies at installation as well as runtime, updated depdendencies and travis tests passing