Skip exit code test until we fixed the performance

On my reasonable fast machine the test takes 5s, so it's no surprise that it
times out more often than not on an overloaded Travis instance.
Exec yo in test with --no-insight
Merge pull request #45 from stephenplusplus/master

Run generators in same context
Show the pretty bye message @stephenplusplus created

on forced exit too.
Removed built-in generator registration

We don't bundle generators with yo anymore.
Fix test that broke with _exit -> _noop rename
Mock the hell out of `yo` status code test

This replaces calls to `process.exit` and `Generator.lookup` with fakes so we
can test that `yo` correctly fails when an non-existing generator name is
provided without waiting for 50+ seconds.
Merge pull request #47 from passy/yo-mock

Mock the hell out of `yo` status code test
Bump bower peer dependency

Fix #48
Loosen the bower peer dependency
1.0.0-rc.1.1
Woops!

Removed accidentally commited file.
Removed debug log
Fix JSON.parse() error in _findAllNpmGenerators related to issue  #49
Display generator versions in `yo yo`
Prevent showing exit message twice
Merge pull request #53 from passy/double-exit

Prevent showing exit message twice
Merge pull request #54 from flea89/fixInstallGen

Fix JSON.parse() error in _findAllNpmGenerators related to issue  #49
Merge pull request #52 from passy/versions

Display generator versions in `yo yo`
sync version.