GPII-669: Removed border of save button, so that it's not completely white in high contrast.
GPII-669: Save button in PCP now shown straight under the panel, some names universalised for both pmt & pcp.
GPII-669: Deleted unnecessary css rule.
GPII-669: Save button styled to be in 1 line on Windows FF, rather than two.
Merge https://github.com/GPII/prefsEditors into gpii-669
Merge pull request #57 from radmanovi4/gpii-669

GPII-669: Fix positioning of Save button in PCP