cylc hold: fix spawned tasks not held
cylc gui: add subgraphs icon text
Merge pull request #1180 from benfitzpatrick/cylc-gui.subgraph-icon-text

cylc gui: add subgraphs icon text
alter name
Merge pull request #1179 from benfitzpatrick/fix-held-states-spawn

cylc hold: fix spawned tasks not held