A bunch of style cleanups and improvements, including support for bg-dark as an outer style, and a button in the navbar to switch between bg-light (default) and bg-dark, and remembers as user preference OUTER_STYLE
Added different background for bg-light
Cleaned up default.css, removed a bunch of old commented styles now that we're using Bootstrap and Metis defaults, other misc cleanups
Changed panel-* styles to container-panel-* because panel-footer and others conflicted with default bootstrap styles
Various style cleanups
Moved stylesheets back to theme with data from DB; added header logo and body class to theme; NOTE: THIS REQUIRES A DB RELOAD TO GET THE THEME DATA
Added header title support; fixed style issue with accordion headers
Added notes about theme and dark/light switcher
Changed next release version from 1.4.2 to 1.5.0, meaning a change in XSD filenames which is important as the main reason for doing so is significant changes to the XSD files, especially the screen one
Flattened box headers, softened difference between even/odd form rows