Added coloured text for #23
Now (crudely) tests for an existing installation for #22
Moved a lot of edit-the-script config to getOpts for #25
Silenced postmap
Merge branch 'develop' into feature/detectoldinstall to get the GetOpts changes
Added --overwrite option; can ignore check for existing install
Merge branch 'feature/detectoldinstall' into develop
Added --nocolour option to turn off the coloured text
Added --version option
Updated readme with version info
Updated $VERSION
Release for Wheezy