Adds meta tags to index.html
Fixes port bug when using tor browser, adds local-only flag
Adds local-only command line flag.
Merge branch 'master' of https://github.com/micahflee/onionshare into plugin-changes

Conflicts:
	onionshare/onionshare.py
removing unnecessary output, whitespace
Merge branch 'joshuathayer-plugin-changes'