Marathon: Create Marathon 1.3.7

[timcharper]

Already picked:

• a7f4138a1609e410901095cce6cdcc81541206d8 Escape leader-latch lock (addresses deadlock) Addresses part of #4624

[janisz]

When 1.3.7 will be released?

[jasongilanfarr]

I believe we need #4968 in 1.3.

[janisz]

@unterstein Release page is not complete it shows only 4 solved issues while there were more:

git log --date=short --graph --pretty=format:'%h %d %s (%an)' --abbrev-commit v1.3.6..v1.3.7 

• c2d6089 (tag: v1.3.7) Setting version to 1.3.7 (Johannes Unterstein)
• fb4aeb9 Quote some vars and make sed more explicit (#4890) (Lukas Lösche)
• dafd0df workaround for zip64 incompat with shebang-prefixed jars (James DeFelice)
• e888d16 Fixes #4637 Allow filtering SSE events by types (#4936) (janisz)
• eaaa994 Parse JSON event only once before broadcast (#4927) (janisz)
• 7b346de Split long lines (#4926) (janisz)
• a7f4138 escape leader-latch lock (targets 1.3) (Brad Peters)
• a05a01b Releases/1.3 async task tracker (#4912) (janisz)
• 90843e4 Include TASK_FINISHED as failure state when upgrading (#4865) (fengyehong)
• d3351ea Cherry-picked Handle spaces in arguments correctly (#4887) (janisz)
• f72df1b Cherry-picked MigrationTo1_1 class to handle broken app groups (#4711) (#4772) (Aleksey Dukhovniy)
• 4f75209 Allow Zookeeper Connection Timeout to be configured. (#4685) (Jason Gilanfarr)
• 850db7f Allow Zookeeper Connection Timeout to be configured. (Jason Gilanfarr)
• 116992d Update #1428 to use MARATHON_CMD to avoid breaking other integration (Jason Gilanfarr)
• 689b250 Update changelog wording for 1.3.5 (Jason Gilanfarr)
• 51f103e Fixes #1428 Converts command arguments to environment variables and back again (merge to release/1.3) (#4644) (brad-peters)

[unterstein]

Thanks @janisz, I updated the release log :)

DC/OS PRs are open as well and github pages documentation is updated.