Land rapid7#4473 - Log backtraces by default

Metasploit-framework 2014122301

Patch UA/Proxy settings during migration, lands rapid7#3632

Metasploit-framework 2014121601

Updating version to 4.11 for Flood release

Merge pull request rapid7#4299 from techpeace/bump-metasploit-credential

Bump metasploit-credential version

Metasploit-framework 2014120301

Metasploit Framework 4.10.2-2014111901

Metasploit-framework 2014111901

Land rapid7#4054, @jhart-r7's SunRPC lib and module cleanup