Drop front-page.php template and instead hook its special contents via hooks.php
version bump
Removed nonexistant function call
Readme update
Merge branch '2.7.3' into 3.0-Experimental

Conflicts:
	includes/functions/startbox.php
Register new SB_Customizer and SB_Sanitization classes

Props @alexmansfield for his excellent work with Theme Foundation and
Theme Toolkit
Add some sample customizer settings to functions.php
Register sb_get_theme_mod()

Automatically retrieves setting default from sb_customizer_settings()
Globally change all hooks to eliminate sb_ prefix
Rename ./startbox to ./sbx
Merge branch '3.0-Experimental' of github.com:WebDevStudios/StartBox into 3.0-Experimental