[skara] RFR: 659: Multi-line commands aren't filtered properly

[Robin Westberg]

After a command has been found, filter out the rest of the body.

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Commit messages:
 - Filter out lines following commands

Changes: https://git.openjdk.java.net/skara/pull/1092/files
 Webrev: https://webrevs.openjdk.java.net/?repo=skara&pr=1092&range=00
  Issue: https://bugs.openjdk.java.net/browse/SKARA-659
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/skara/pull/1092.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/1092/head:pull/1092

PR: https://git.openjdk.java.net/skara/pull/1092