add rvm libs, reworked scripts/db, update #1627
consistently use mode for autolibs help, update #1627
improved warnings for autolibs, fix #1655, fix #1716
add saving of autolibs from installer, update #1627
add migration of railsinstaller/smf settings to autolibs, closes #1627
clean error handling for rvmrc migrations, update #1627
ensure rvm_autolibs_flag_number is set before continuing with installation
fix RELEASE file rights
fix displayed-notes.txt file rights
fix rvm requirements
display rvm_autolibs_flag in --debug, update #1671
read rvm_autolibs_flagfrom db, fix loading saved value, update #1671
make sure ssl_dir is created before writing to cert_file, update #1671
improved detection of clang / gcc-4.2 requirements, fix #1671
improved code to detect initially_selected_compiler, update #1671
add extra checks for older clang on osx, closes #1660
run requirements for binary rubies, fix #1641
Fix MacPorts port name for pkg-config.
Merge pull request #1717 from mbaltaks/master

Fix MacPorts port name for pkg-config
Don't enforce full meta-packages.