Clarify the documentation about how to use --intent-filters argument
Add --ouya-icon command line argument to build.py
Add --ouya-category argument which causes the appropriate OUYA-specific intent-filter to be added to AndroidManifest.xml
Merge pull request #119 from bob-the-hamster/ouya-support

Ouya support
Merge pull request #118 from bob-the-hamster/intent-filters-doc-fix

Clarify the documentation about how to use --intent-filters argument