Fix 'On Hold'/'Off Hold' button text.
(grafted from 970cfeec207a2cf1531364aef16eea6af40f1dc7)

--HG--
extra : source : 970cfeec207a2cf1531364aef16eea6af40f1dc7
Merge pull request #15 from ehuelsmann/1.4

Fix 'On Hold'/'Off Hold' button text.