bug 839214 - elasticutils and search mapping

add elasticsearch-head plugin

simple cron to reindex documents

update vendor submodule for elasticutils
bug 818580 - changes in wiki editor js and adding class to need review section

bug 818580 -  The editor is under text element at the page's bottom
bug 818212 - Upload img and add css styles for p2pu logo
Bug 694796 - add localizers to humans.txt
Bug 694796 now respecting PEP 8
Merge pull request #890 from tx2z/bug-818212

bug 818212 - Upload img and add css styles for p2pu logo
Merge pull request #889 from tx2z/bug-818580

bug 818580
Merge pull request #881 from groovecoder/document-index-794525

bug 839214 - elasticutils and search mapping
test case fixed to work with bug 694796 patch
Merge pull request #891 from netoarmando/bug-694796-localizers-humans_txt

Bug 694796 - add localizers to humans.txt
fix bug 647796 - shorter locales
fix bug 843576 - Add standard-table class
fix bug 845163 - Fix typo
fix bug 845164 - Prevent slug heirarchy JS change
Merge pull request #894 from darkwing/typo-845163

fix bug 845163 - Fix typo
Merge pull request #895 from darkwing/clone-slug-845164

fix bug 845164 - Prevent slug heirarchy JS change
Merge pull request #892 from darkwing/ua-parse-647796

fix bug 647796 - shorter locales
Merge pull request #893 from darkwing/tables-843576

fix bug 843576 - Add standard-table class
Responding to relocation
bug 845373: Move get_seo_summary to wiki.content with similar tools