Added version to config; indicate deprecation of nav_id variable in nav data; additional class name for the last nav item; add recommended defaults
#16 Move config merging code into new object
Remove default configurations that are specific to me
Send site_version to content template generator
minimum_ie_version didn't make sense given comment logic, changed to maximum_unsupported_ie_version
XML declaration proves problematic on deployment (PHP version difference?); page specific HTML header should be incorporated after main site HTML header
#33 Add ability to control logging level on a per site basis
#35 XHTML validation fixes
Pull in fix from walkercms.net for css validation
#36 Add empty folders to give example of correct directory structure
#19 Getting base layout template in line with HTML5 spec
#19 Provide content type for HTML validation purposes
Testing branching
Merge branch 'development' of https://github.com/tpwalke2/WalkerCMS into development