Merge pull request #15 from freaktechnik/master

Bandcamp Extension
Merge pull request #16 from freaktechnik/master

Add Beatport and make Bandcamp compatible with Beatport
Modified main-overlay.xul to add option for XPCOM Viewer
Modified main.js to handle the launcher command for XPCOM Viewer
Modified chrome.manifest to add in Venkman's manifest items
Added venkman.jar and venkman-service.js to fix Venkman integration
Removed venkman messenger overlay from chrome.manifest
Updated install.rdf to support NG Version 1.12.*
Fixed build.sh
Added built .xpi to make it easier for others to test
Update version number
Cleaned up Venkman manifest includes.
Removed all links to songbirdnest and adjusted the comments accordingly.  Didn't change any namespaces to avoid conflicts.
Updated build script to include version in xpi.
Added .gitignore to exclude *.xpi, since the packaged xpi will change filenames on every new version.
Added XUL Explorer to tools menu.
Updated version to 0.8
Fix unprocessed #if in JS file