Support separate live stream for stderr
Simplify live_stream vs live_stdout vs live_stderr based on PR comments
Merge pull request #53 from maxlinc/stderr_livestream

Support separate live stream for stderr
Update contributing information for https://github.com/opscode/mixlib-shellout/pull/53
Bump version number for RC release.
clean_parent_file_descriptors can be achieve with close_others flag to exec method, aix removed method was slow.
remove #clean_parent_file_descriptors which is not required now.
update travis for ruby version support.
Merge pull request #56 from ClogenyTechnologies/kd/aix-fdperf

aix - #clean_parent_file_descriptors is slow
aix does not allow resetting real uid once the euid is changed to non-root.
fix getpgid issue on aix
raise Errno::ESRCH in spec for aix
remove LC_ALL default environment variable

now that we no longer support ruby 1.8.7 its time to retire this
control ENV['LC_ALL'] global better

fixes travis failure that did not fail on my desktop
bumping version to 2.0.0.rc.0
dump out changelog for 2.0.0 and add LC_ALL entry
add back 'last-release' stuff
add required ruby version
Merge pull request #58 from opscode/lcg/remove-lc-all-hack

remove LC_ALL default environment variable
removed emulated Errno::ESRCH