rose suite-run: tidy old symlinks in $HOME/.cylc/.
Merge branch 'master' into rose-suite-run.old-dot-cylc-symlinks
Merge branch 'master' into rose-suite-run.old-dot-cylc-symlinks
Merge branch 'master' into rose-suite-run.old-dot-cylc-symlinks
Merge pull request #340 from matthewrmshin/rose-suite-run.old-dot-cylc-symlinks

rose suite-run: tidy old symlinks in $HOME/.cylc/.