katello - remove 'rescue Exception'

replace Exception by StandardError in specs and in controller#rescue_from
fix broken tests, some previously swallowed bugs appeared
Merge branch 'master' into exception_handling

* master: (11 commits)
  827108 - CLI reads "activation key" instead of "gpg key" for update in help
  ...
exceptions - tstrachota's portion reviewed
exceptions - review by lzap
Merge branch 'exception_handling' of git://github.com/Katello/katello into exception_handling

* 'exception_handling' of git://github.com/Katello/katello: (2 commits)
  exceptions - review by lzap
  ...
Merge branch 'master' into exception_handling

* master: (153 commits)
  Automatic commit of package [katello-cli-tests] release [0.2.20-1].
  ...

Conflicts:
	src/app/controllers/environments_controller.rb
	src/app/controllers/password_resets_controller.rb
	src/app/controllers/providers_controller.rb
	src/app/controllers/system_errata_controller.rb
Merge branch 'master' into exception_handling

Conflicts:
	src/app/controllers/activation_keys_controller.rb
	src/app/controllers/application_controller.rb
	src/app/controllers/changesets_controller.rb
	src/app/controllers/environments_controller.rb
	src/app/controllers/filters_controller.rb
	src/app/controllers/gpg_keys_controller.rb
	src/app/controllers/notices_controller.rb
	src/app/controllers/organizations_controller.rb
	src/app/controllers/password_resets_controller.rb
	src/app/controllers/products_controller.rb
	src/app/controllers/providers_controller.rb
	src/app/controllers/repositories_controller.rb
	src/app/controllers/roles_controller.rb
	src/app/controllers/sync_management_controller.rb
	src/app/controllers/sync_plans_controller.rb
	src/app/controllers/system_errata_controller.rb
	src/app/controllers/system_group_errata_controller.rb
	src/app/controllers/system_groups_controller.rb
	src/app/controllers/system_templates_controller.rb
	src/app/controllers/systems_controller.rb
	src/app/controllers/users_controller.rb
	src/app/models/changeset.rb
	src/app/models/user.rb
	src/spec/controllers/password_resets_controller_spec.rb
	src/spec/models/changeset_spec.rb
exceptions - review and cleanup
Exceptions - review and cleanup

Removed most of 'rescues' from controllers for redundancy.
All specs passing
Merge branch 'master' into exception_handling

Conflicts:
	src/app/controllers/providers_controller.rb
	src/app/controllers/systems_controller.rb
cli generator - utility for generating cli code from json apipie exports
Merge branch 'master' into story/exception_handling

* master: (204 commits)
  Icon fix for content search: selector_icon-black
  ...

Conflicts:
	src/app/controllers/changesets_controller.rb
	src/app/controllers/organizations_controller.rb
	src/app/controllers/systems_controller.rb
	src/spec/controllers/organizations_controller_spec.rb
Merge branch 'master' into story/exception_handling

* master: (9 commits)
  api docs - fix loading environment in build phase
  ...
845198 - enable setting locale via LC_ALL in cli
845198 - always use utf-8 as output encoding
katello - fix tests after merge
Merge branch 'master' into story/exception_handling

* master: (12 commits)
  Add foreman deps to comps
  ...

Conflicts:
	src/app/controllers/user_sessions_controller.rb
Merge branch 'master' into story/exception_handling

* master: (2 commits)
  changesets content api test fix
  ...
katello - remove lists of rescue Exception usage