adds .button-primary to *Add row/group* button
tabs to spaces for better alignment
makes regular-text field 100% width in postbox, bg-color for group title

also improves borders display a little
generated css
slightly different group-title margins for postbox and other places
converts add-row link to button (<a> -> <button>)
Merge branch 'master' into styling
limit repeatable row table display to postbox container
changed first-child -> first-of-type, last-child -> last-of-type, see #33
Merge branch 'master' of https://github.com/WebDevStudios/CMB2 into styling
Fix wording and value. Addresses and fixes #81
update pot
remove references to CMB1 where applicable
Use WordPress version global instead of hard-coding
update pot for tests
Remove tests for 3.5 since it is no longer supported by CMB2
update references to CMB1 in WP readme and (and .md), and bump version for .org
update pot version #
fix text_time error: "A non well formed numeric value encountered". Fixes #84
Unit tests failing for this function on Windows due to slash direction, normalizing paths keeps the slashes straight