fix: tweaked margin on repeat buttons
fix: select-minimal values of first repeat with a value, become messed up after cloning,
closes https://github.com/kobotoolbox/enketo-express/issues/135
fix: select minimal of first repeat is unchecked in view, when the repeat is cloned,
closes https://github.com/kobotoolbox/enketo-express/issues/135
fix: improved performance when cloning a repeat