Adds Ajax Debug mode to PluginMeta
Adds Manifest to portkey
Adds DirScanner and Tests
Adds FileCollector and tests
Adds Asset Manifest and Tests.
Moves ranking from collector to Ranker object.
Improves DirScanner tests.
Adds Ranker and Tests.
Adds AppManifest and tests
Merges branch 'feature/add-manifest-dir-scanner' into develop
Adds Manifest Packager
Adds Manifest to Options Page