* configure.ac: Fix spacing in helptext of customs

Copyright-paperwork-exempt: yes
* job.c: fix make action continuation lines.

* vmsjobs.c: fix writing DCL command files when trimming (white
  spaces and $ signs) especially after a split (command continuation).
* loadapi.c (gmk_eval): Use C90 syntax.
* tests/scripts/features/load: Avoid unused variable warnings.
Update Copyright statements for 2014.