Update change log and version.
Update CHANGES.md
Added rose sgc to bin and cli doc.
Merge pull request #467 from arjclark/sgc

rose sgc
rose edit and rosie go help and about URL fix.
Merge pull request #469 from matthewrmshin/gui-help

rose edit and rosie go help and about URL fix.
rose suite-log-view: ignore task job status files.
Merge pull request #470 from matthewrmshin/464.suite-log-view.status

rose suite-log-view: ignore task job status files.
documentation: fix quiz
Merge pull request #472 from benfitzpatrick/quiz.fix

rose documentation: amend quiz
rose.gtk.splash: improve stability.
rose suite-log-view: modify cylc task ID delimiter.
Merge pull request #474 from matthewrmshin/449.rose.gtk.splash

rose.gtk.splash: improve stability.
Merge pull request #475 from matthewrmshin/cylc.task-id-delim

rose suite-log-view: modify cylc task ID delimiter.
ROSE_SUITE_DIR_REL: document.
Merge pull request #478 from matthewrmshin/476.ROSE_SUITE_DIR_REL

ROSE_SUITE_DIR_REL: document.
Document: fix typo in --cycle-offset=OFFSET syntax.