v0.17.0-pre.3

Composability

• Added the Gruntfile editor API. This API allow multiple generators to write to the Gruntfile without causing conflicts. Read documentation.

Bugs

• Fix errors thrown when git command isn't installed on user computer.
• Fix error that'd prevent tasks to be runned with a 0.17 based generator and current version or yo.
• Make sure the system always create a default generator name.