Merge branch 'hotfix/1.19.6' into stable
Add gawk to requirements for Debian; some of the awk processing done in rvm requires GNU awk.
Merge pull request #1861 from JoeKun/master

Add gawk to requirements for Debian
escape the source command in after_use_maglev hook
Fix issue with java depends for Gentoo in autolibs

* Gentoo uses virtual/jre and virtual/jdk to fulfill JDK/JRE requirements
* These virtuals map to Sun, Oracle, and IcedTea (OpenJDK) implementations
* virtual/jdk for jruby-head virtual/jre for regular ruby
* Add ant-core to list of depends for jruby head
Merge pull request #1864 from cwgem/gentoo-jdk-jre

Fix issue with java depends for Gentoo in autolibs
use _system_version instead of /etc/centos-release, fix #1866
Merge branch 'master' of github.com:wayneeseguin/rvm
make __rvm_try_sudo available globally, update #1847
implement rvm_pkg for autolibs
Merge pull request #1740 from wayneeseguin/features/autolibs_rvm_pkg

rvm-pkg issues / please re-include libyaml
detect old rvm_autolibs_flag from railsinstaller, fix #1871
add support for custom_flags
fix checking --ignore-dotfiles
fix reading custom_flags
fix saving custom_flags
add scripts/extras/chruby.sh - mrvm - special version for chruby
respect rvm_ignore_dotfiles_flag when displaying notes
Merge pull request #1750 from wayneeseguin/features/chruby

Integration for chruby
use rdoc-data for rvm docs generate, update docs, closes #1856