Revise gpg stanza order and parameters

References: #5971
Fix SHA 256 hash for MacDown 0.2.4
Merge pull request #6062 from uranusjr/fix-macdown-0.2.4-hash

Fix SHA 256 hash for MacDown 0.2.4
Upgrade AudioMate.app to 2.0.6
Merge pull request #6064 from crainiarc/audiomate

Upgrade AudioMate.app to 2.0.6
Update svnX to v1.3.4
Update owncloud to 1.6.3.878
Merge pull request #6067 from Xefir/owncloud-fix

Update owncloud to 1.6.3.878
Merge pull request #6065 from Xefir/svnx-fix

Update svnX to v1.3.4
Merge pull request #5975 from rolandwalker/gpg_dsl_revise

Revise gpg stanza order and parameters
DSL: change container_type to extensible container

Late addition to DSL 1.0 (oversight in the roadmap)

References: #4688
Merge pull request #6068 from rolandwalker/container_dsl

DSL: change container_type to extensible container
add NCSA OSS license type

Used for example by LLVM.
Merge pull request #6071 from rolandwalker/license_ncsa

DSL add NCSA OSS license type
cut v0.40.0
doc: first changes for DSL 1.0

Do not revert this PR after the transition period.  It contains
a README banner which needs to be deleted later, but also a
persistent doc file and an unrelated whitespace nit.
updates to release process after v0.40.0
Merge pull request #6072 from rolandwalker/dsl_transition_doc

doc: first changes for DSL 1.0
transition: doc preflight/postflight stanzas

a mass change to Casks to come later
Update macdown container layout

Fixes #6075