Moves Strophe.log from strophe.jingle.bundle.js to new file.
Adds keyboard shorcuts support for mute/unmute, start/stop camera, toggle chat, toggle film strip and push to talk functionality.
Merge pull request #125 from fouksf/keyboard-shortcuts

Adds keyboard shorcuts support for mute/unmute, start/stop camera, toggl...
Fixes version indexes of the scripts.