RFR: 330: Allow commands at end of PR body [v2]

[Robin Westberg]

> Hi all,
> 
> Please review this change that allows commands in the PR body. It also adds support for multiple commands in a single
> comment, and centralizes the multiline command handling.
> Best regards,
> Robin

Robin Westberg has updated the pull request incrementally with one additional commit since the last revision:

  Update bots/pr/src/main/java/org/openjdk/skara/bots/pr/CommandHandler.java
  
  Co-authored-by: Erik Duveblad <erik.helin at oracle.com>

-------------

Changes:
  - all: https://git.openjdk.java.net/skara/pull/682/files
  - new: https://git.openjdk.java.net/skara/pull/682/files/fb8119d2..bb4cf12a

Webrevs:
 - full: https://webrevs.openjdk.java.net/skara/682/webrev.01
 - incr: https://webrevs.openjdk.java.net/skara/682/webrev.00-01

  Stats: 3 lines in 1 file changed: 2 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/skara/pull/682.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/682/head:pull/682

PR: https://git.openjdk.java.net/skara/pull/682