acu183994 Avoid spamming managed login tags rs-19437

This should also avoid occasional issues in which rs_login:state will
get set as "active", when starting with 5.8 it should be "restricted"

(cherry picked from commit 22fa68d24a0d0982949b7977ed908cf15d883d09)

Conflicts:
	lib/instance/login_manager.rb
	spec/instance/login_manager_spec.rb
acu183994 add basic travis-ci support; adjust rconf file with correct Ruby version.
acu183994 adjust Gemfile for right_develop compatibility; add CI task to Rakefile.
acu183994 fix relative requires in specs so the specs don’t rely on PWD having a certain value.
acu183994 allow people to suppress some useless output using -W0
Merge pull request #495 from rightscale/ivory_14_21_acu183994_managed_login_fixes_master

acu183994 Avoid spamming managed login tags rs-19437