Fix layout
[fix #4928] Made journal notes shown in search.

- Added tests and specs for bug #4928
- Examined bug
  - Added debug output to examine event contents
  - Examined journals
- Added highlight_first helper
  - Used last_journal instead of #journals.last
  - Fixed Journalized#last_journal to work when eager loading messed up search
  - Fixed how journals are sorted when they are loaded (by version instead
    of created_at)
- Added notes anchor when required
  - Added notes anchor when required
  - Note anchor uses version of journal note itself, not version of work package
- Fixed failed test in
  functional/wiki_controlller_test.rb:WikiControllerTest
  #test_update_stale_page_should_not_raise_an_error
- Fixed spec failures.
- Converted search helper test -> spec, removed test file.
- Moved helper methods from string to controller
- Fixed search controller spec.
- Temporary added isolated suite run to travis for
  work_package_activity_provider_spec
- Removed temporary job for travis.
[security] fixed back url verification

--HG--
extra : convert_revision : svn%3Ae93f8b46-1217-0410-a6f0-8f06a7374b81/trunk%4013018
fix protocol-relative redirection test

- escape forward slash in regexp
- allow redirection to home_path '/'
make url redirect tests pass

I don't know why, but the test doesn't pass when both url-tests
are in the same test-method.
When defined in separate test-methods they work fine.
add test for login redirecting to home_url
Add spec
explicitly allow home path in back_url
Fix WP copy without project cross references
Merge pull request #1058 from netfighter/bugfix/3118_copying_work_package_to_new_project
Add changelog entry
Add wiki history cuke
Adds wiki child page creation cuke
fixes page not found translation
Merge pull request #1023 from opf/fix/page_not_found_translation

fixes page not found translation
Fix cuke for postgres
changelog: wrong translation for non-existing WP
Merge pull request #1063 from opf/feature/wiki_history_cuke

[Feature] Wiki history cuke
Merge pull request #1053 from waterlink/bugfix/4928_search_journal_note_hits_not_shown
Add changelog entry