Added a generator to mount the engine.
Generator changes

   * Generator is now prelaunch:install
   * Generator is now tested with rspec
Merge branch 'master' of github.com:thegarage/prelaunch into rspec-for-generators
Attempt to fix ammeter config.
documentation update
Bump version to 1.0.0
Merge pull request #2 from thegarage/rspec-for-generators

Generator to install engine