Merge branch 'hotfix/1.25.20' into stable
backport Hash#reject regression fix for 2.1.0-railsexpress and 2.1.1-railsexpress
Merge pull request #2713 from skaes/hash-reject-regression-fix

backport Hash#reject regression fix for 2.1.0- and 2.1.1-railsexpress
Indented code blocks in help/tools.md

Markdown expects 4 spaces of indentation for code blocks.
Merge pull request #2716 from tobiashm/patch-1

Indented code blocks in help/tools.md
separate sed commands, update #2709
Merge branch 'master' of github.com:wayneeseguin/rvm
simplifying sed, update #2709
1.25.21
Merge branch 'master' into hotfix/1.25.21
Merge branch 'hotfix/1.25.21' into stable
Merge branch 'hotfix/1.25.21'
handle fact that RUBY_VERSION not being set in rvm's env
Merge pull request #2726 from mwlang/after_use_textmate_hook

handle fact that RUBY_VERSION not being set in rvm's env
fix error message for rvm remove; there is no 'rvm gemset remove' command, only 'rvm gemset delete' command
Merge pull request #2729 from speranskydanil/master

fix error message for rvm remove; there is no 'rvm gemset remove' comman...
make homebrew the fallback when no OSX package manager found, missed to do it in 83ebd003, fix #2706
Merge branch 'master' of github.com:wayneeseguin/rvm
add debugging for homebrew installer url and fix the path, update #2706
error when there is no brew command after homebrew installation, update #2706