Use sandboxPrototype to construct Sandboxes.

Fixes compatiblity problem with recent Firefox versions.
Closes GH-99.
Closes GH-89.
Construct about:addons buttons via script.

Fixes GH-92
Fix about:scriptish author parsing (web-e4x)
Remove dead addonstab-moz5 stuff
Add makePrivate argument to GM_xhr

Closes GH-93
no longer recording download urls until pwpb is supported
Removing Services.pbs constant
bumping min firefox version to 21
Using Jetpack (aka Add-on SDK) library, and starting the CommonJS conversion on the alert and timer modules
Using sdk/clipboard and now GM_setClipboard supports the image type for free!
removing unused Scriptish_findError
removing Q library
<em:version>0.1.9</em:version>
<em:version>0.1.10pre</em:version>
Properly handle redirects in Script Dependencies

Closes GH-72
Convert scriptish-button to type="menu" (kinda)
fixing the sdk globals, which were not defined before
Merge branch 'master' of github.com:scriptish/scriptish
Closes #85 Merge branch 'menu-only-button' of github.com:scriptish/scriptish
<em:version>0.1.10</em:version>wq