Show message when downloading Firebug
Allow specifying versions using maj.min only

Allows installing like "3.6 12.0 15.0 16.0 17.0 18.0 19.0 20.0 21.0 22.0" - no need for patch version.
Merge pull request #36 from geoffstokes/shorthand-versions

Allow specifying versions using maj.min only
Move Firebug message into `download_firebug`
Fixed syntax error in firefox version cases from pull request #36
Merge pull request #37 from geoffstokes/firebug-label

Show message when downloading Firebug
Variablised the "bits_host", so that this can be easily adjusted when forking
Improved the way we set defaults for 'default browser' and 'auto update check', it should now work!
Removed instruction about pressing Q/Y for Firefox 2.0 license, as that no-longer applies.
Fixed up some messages in `get_locale()`
Merge branch 'master' of github.com:omgmog/install-all-firefox
Added firefox 23
Updated capable versions of Firefox to using Firebug 1.12.0
Merge branch 'master' into usage-targeting