Merge pull request #27 from jnoring/master

Zap unnecessary logging infrastructure in HLS plugin that was overwritin...
'forever' live fix
Project properties fix
Some cleanup:

1. Add default options to some switch statements (stuff flagged by static code analysis)
2. Remove unnecessary imports
3. Remove M3U8Element class; it isn't necessary.  It's just a dumb wrapper for LoadForDocumentElement; no point in making life complicated.