Merge pull request #6360 from ndr-qef/dsl/validate-gpg-key

DSL: validate value of GPG key ID
onepassword 4.4.3
Merge pull request #6518 from blogabe/onepassword-4.4.3

onepassword 4.4.3
freefilesync 6.10
remove mkvtoolnix 7.2.0, only user-built binaries available
Merge pull request #6516 from jconley/mkvtoolnix

remove mkvtoolnix
Merge pull request #6517 from jconley/freefilesync

Update freefilesync to 6.10
Upgrade Android Studio to 0.8.9

the version 0.8.9 comes from http://tools.android.com/download/studio/canary/0-8-9 and offical doesn't include the build number in version
the homepage url also changed to a more accurate place
Bump Xamarin.Android to v4.18.0-34
Bump Xamarin.iOS to v8.2.0.193
Bump Xamarin Studio to v5.4.0.240-0
tk-suite-client 4.4.25
Merge pull request #6523 from boecko/master

tk-suite-client 4.4.25
Update Blender to 2.72
Update Brackets to 0.44
Merge pull request #6524 from luckyluckyluke/patch-1

Update Blender to 2.72
Merge pull request #6525 from luckyluckyluke/patch-2

Update Brackets to 0.44
Merge pull request #6522 from jamesottaway/bump-xamarin-again

Bump the Xamarin casks
Merge pull request #6515 from jconley/audacity

Update Audacity to 2.0.6
Merge pull request #6520 from macdao/master

Upgrade Android Studio to 0.8.9