Greasemonkey 4.6 Release

The entire list of bugs handled in this release is also available via the 4.6 milestone on GitHub. If you are using this version and notice problems, it's best to let us know at greasemonkey-dev (and be clear that it's with this version).

Fixed bugs:

• Repair GM.xmlHttpRequest() when fetching XML content. (#2980)

New features:

• Added translations in several languages.
• Users may specify global exclude patterns, where no user scripts will run. (#2843)