fetch and mergeMediaWiki source code
Squashed 'extensions/LdapAuthentication/' content from commit 9425485

git-subtree-dir: extensions/LdapAuthentication
git-subtree-split: 942548516f56da3c61de3de689c097830c1a8b72
add LdapAuthentication subtree
Squashed 'skins/unc-charlotte/' content from commit 044abc0

git-subtree-dir: skins/unc-charlotte
git-subtree-split: 044abc0c19e4262520e4eba745eec2a28019901d
add unc-charlotte skin subtree