Removed spork/guard in favor of Zeus for tests

Use zeus rspec tests to run tests
Updated rails version to 3.2.13

[Closes #34]
Removed asset parts of rails and public stuff

[Closes #35]
Added guard to watch Zeus
Modified Guardfile to detect serializer changes
Renamed lycode -> licode
Updated database_cleaner
Removed cucumber from zeus config
Added user information to stream
Added user information to stream

[Closes #36]
Added GET #show to users
Added ID to response

[Closes #37]
Added missing spec for session GET #show
Added live flag to streams

[Closes #32]
Added ability to update streams

[Closes #38]
Merge pull request #40 from peepoltv/dev

Merging new changes into master