updated sts to 3.5.1
added grafx2
separated parts that need updating from the rest, in sts
suggested (not enforced) order for Cask stanzas

References: #4914
doc tweaks to CASK_LANGUAGE_REFERENCE.md

- include OS X 10.10
- include the word "specification"
- clarify how to call out of the `caveats` mini-DSL

References: #4921, though `version` is being added to the
`caveats` mini-DSL
GPSBabel cask removed

Cask removed as the official website is preventing us to download the app
in an automatable way using a non-trivial time-based token.

See #4856 to find more details.
Add Komanda
Add OpenNX v0.16.0.729
Merge pull request #4934 from alebcay/komanda

Add Komanda
Casks/cd-to: update to 2.6
Merge pull request #4937 from tbsmcd/update-cdto

Casks/cd-to: update to 2.6
Merge pull request #4936 from michaelballantyne/opennx

Add OpenNX v0.16.0.729
Merge pull request #4922 from vitorgalvao/grafx2

added grafx2
Merge pull request #4920 from vitorgalvao/sts-changes

STS updates
Adobe Air updated to 14.0
Add LoadMyTracks
Update cyberduck to 4.4.5
Add Yojimbo 4.0.3
Merge pull request #4914 from radeksimko/adobe-air

Update Adobe Air to 14.0
Merge pull request #4926 from rolandwalker/doc_lang_ref_tweaks

doc tweaks to CASK_LANGUAGE_REFERENCE.md