fix user_install check for user names with spaces, closes #2140
Fix case where "rvm $dir do ..." is run but $dir has no file choosing a ruby.
Merge pull request #2152 from aspiers/master

Fix case where "rvm $dir do ..." is run but $dir has no file choosing a ruby
add NOEXEC_DISABLE=1 to the test invocation, fix https://github.com/wayneeseguin/rvm-test/issues/19
fix detecting GEM_HOME/bin at the end of PATH, fix #2154
Add Solaris 10 support
Merge remote-tracking branch 'upstream/master'