refactor __rvm_detect_system
Simplify
Refactor configure_path
Add autoconf to Solaris requirements. Add __rvm_autoreconf function
Add libtool to Solaris requirements. Add __rvm_libtoolize function
Add autoconf, automake to Solaris requirements. More Solaris improvements
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Add missing automake requirements
Fix installing JRuby on Solaris 10
Don't use __rvm_grep in initialize as it's not yet defined there
Suggest installing sudo from OpenCSW on Solaris 10
Merge remote-tracking branch 'upstream/master'
Remove unnecessary check for libtoolize/autoreconf
Remove checks for autoreconf
Don't use negation
Merge pull request #2187 from Ch00k/master

autoconf/automake support on Solaris
Merge from master
Don't use __rvm_awk, __rvm_grep as they are not yet defined
Use data from __rvm_detect_system in more places