upgrade MAMP to 3.0.3 and improve uninstall

after uninstall a set of empty directories were being left behind
under `/Applications/MAMP` and `/Applications/MAMP PRO`
updated asteroid
updated bahamut
updated itunes-volume-control
Merge pull request #3825 from vitorgalvao/update-asteroid

updated asteroid
Merge pull request #3826 from vitorgalvao/update-bahamut

updated bahamut
Merge pull request #3827 from vitorgalvao/update-itunes-volume-control

updated itunes-volume-control
updated refresh-finder
Merge pull request #3828 from vitorgalvao/update-refresh-finder

updated refresh-finder
updated smartgithg
updated smartsynchronize
Merge pull request #3829 from vitorgalvao/update-smartgithg

updated smartgithg
Merge pull request #3830 from vitorgalvao/update-smartsynchronize

updated smartsynchronize
add web-sharing prefpane
Merge pull request #3832 from davidosomething/master

add web-sharing prefpane
Add Scapple (latest)
Merge pull request #3833 from macprince/scapple

Add Scapple (latest)
Pusher 0.4.3
Merge pull request #3759 from rolandwalker/mamp_3.0.3

upgrade MAMP to 3.0.3 and improve uninstall
Tunnelblick 3.3.2