858877 Allow selection of all listem items when applying packages to a system group

Added select_all and deselect_all button for system group when all erratas
wanted to be checked.
requiring specific runcible version
Merge pull request #1507 from jlsherrill/runcible-version

requiring specific runcible version
Merge pull request #1453 from jhadvig/system_group_errata

858877 Allow selection of all listem items when applying packages to a system group
Updated gemfile to use runcible 0.3.2
Updated katello code base to work with Runcible 0.3.2
Fixed a typo
Fixed an unintended insert
Changed the gemfile + spec to use new runcible
Removed the github reference in gemfile since ruby-gems is open
Revert "Removed the github reference in gemfile since ruby-gems is open"

This reverts commit e8081dc1c99f1c4a14bc4372e40abc02a5948ce9.
Removed the github reference in gemfile since ruby-gems is open
Merge pull request #1500 from parthaa/runcible-0.3.2-changes

Runcible 0.3.2 changes