sge-where: Move test code at the end of the file.
sge-where: Fix parsing error due to SGE truncating queue name at 10 characters.
sge-where: Implement option `-c`/`--summarize`.
sge-where: Implement printing job execution location by user name.
ides-install-r: Bump base version to 3.1.0.
ides-install-r: Clarify that `--date` only applies to "R-patched".
New script `sge-next-calendar-slot` to parse SGE calendars and print start/end times.

The main usecase for this is to be able to know when a job is
submitted too close to the start of the maintenance, and then flag it
automatically as "on hold".