CONN-1257: Fix Misc AdminGUI UI Defects and Add Logo

This PR addresses a number of miscellaneous UI defects that are referenced in CONN-1257 (https://connectopensource.atlassian.net/browse/CONN-1257).

CSS:
* pf-override.css -- adjusted CSS.
* dashboard.css -- adjusted CSS for logo on Login page.

XHTML:
* BaseTemplate.xhtml -- added new <meta> tags and responsive code libraries for IE.
* BaseTemplatePrime.xhtml -- added new <meta> tags and responsive code libraries for IE.
* dashboard.xhtml -- rewrote panelGrid HTML.
* Login.xhtml -- incorporated Connect logo.