Set 0.4.3 release date to Apr 21, 2014
Switch from Titan 0.4.3-SNAPSHOT to just 0.4.3
Update doc submodule commit pointer
Modify pom to stop uploading zip/tars to Sonatype
Update maven-release-plugin and git-scm version

Fixes incompatibility between newer git versions and older
release-plugin & maven-git-scm versions that makes the release plugin
fail to commit anything
Different attempt to exclude tar/zip from sonatype
[maven-release-plugin] prepare release 0.4.3
[maven-release-plugin] prepare for next development iteration
gh-pages-update.sh script tweaks

Support cloning a local git repository in gh-pages-update.sh
Update Titan dep to 0.4.4-SNAPSHOT
Merge branch 'master' of github.com:thinkaurelius/faunus
Update doc submodule commit pointer