Merge branch 'hotfix/1.25.27'
only use the first found name of redhat like system in /etc/redhat-release, update #2808
add a warning when user configured -j found, update #2837
fail rvm_pkg when there is no pkg-config, fix #2768
stop instalaltion if requested binary and it failed, update #2761
bump the compability version of binaries to 10.7, on 10.6 there are some issues, update #2511
remove the OSX 10.6 binaries, fix #2511
auto instll enable and start ntp on arch on raspberry pi, fix #2524
fix mounting mruby, fix #2759
do not use rdoc-data on ruby 2.1+
automatically trust new keys when refreshing opensuse repositories, fix #2752
rewrite the textmate hook to wrap only when new ruby is used, fix #2725
introduce rvm_project_rvmrc_default=2 to speed up loading scripts/rvm, update #2791
move the sudo check for pclinuxos to before to avoid logged display of update, fix #2808
move checking for apple-gcc42 to the end when searching for compiler on OSX, update #2769
allow user specified --connect-timeout for curl flags, update #2889
switch to using GEM_HOME instead of which ruby to determine currently used ruby
fix removing gemset from ruby_string
read the gemset part before removing it from ruby_string
Merge pull request #2891 from wayneeseguin/bugfix/GH_2891_rvm-prompt_switch_to_GEM_HOME

rvm-prompt not working in Yosemite