Bump the default version for libxml2 to a secure version.
Remove the deprecated version calls from bundler and preparation.
Update nokogiri to 1.6.2.1 and add the required Mac depedency.
Fix the healthcheck issues on Solaris for gdbm.
Make sure same env is used across configure and build for liblzma.
Upgrading rebar to make sure the TEST macro is indeed defined when compiling for tests
Merge pull request #208 from opscode/jr/upgrade_rebar

Upgrading rebar
Merge pull request #206 from opscode/sersut/omnibus-310

Chef Client CI Issues
test for rhel 5 gcc when building dep-selector-libgecode
improve note on gcc44 and don't shell out in dep-selector-libgecode