Autogen 0.3

This release adds support for new languages and licenses:

• new languages: Tcl
• new licenses: MPL 2.0

New features and bug fixes include:

• alternative long-form arguments for readability, e.g., --silent for -s, --year for -y, etc.
• makes line of separator comments optional (and off by default); fixes incompatibility with Google ES lint rules
• add ability to skip the top-level comment for modifying files, particularly useful for bulk file updates

Documentation updates include:

• installation instructions
• bulk file update instructions