Added support for Skim

Fixes #107
Added support for Scenario

Fixes #106
Add support for Ack
Add Stata support to Mackup
Add SelfControl support
Add SelfControl support
Added support for LaTeXiT
Fix "Allowed Applications" documentation

Best contribution ever.
Merge pull request #114 from Laurent-Sarrazin/patch-1

Fix "Allowed Applications" documentation
Merge branch 'ack' of github.com:adamlogic/mackup into adamlogic-ack
Added a changelog entry for Ack
Merge branch 'patch-1' of github.com:kfinlay/mackup into kfinlay-patch-1
Polished Stata support
Merge branch 'patch-3' of github.com:kfinlay/mackup into kfinlay-patch-3
Added a changelog entry for SelfControl
Merge branch 'master' of github.com:twsh/mackup into twsh-master
Polished support for LaTeXiT
Started adding some tests
Do not link ~/Library/* files on GNU/Linux, should fix #104
I always forget about the changelog