Redis 2.8.18
Redis Integration Module: Update to version mod-14-12-2014
Revert "Revert "Nginx 1.7.8""

This reverts commit a73ff3021c49cad16be16754320bc389278bad0f.
Revert "Revert "Revert "Nginx 1.7.8"""

This reverts commit fa67626a16565700307376978396af65295bc332.
Nginx 1.7.8
Make sure that AcceptEnv is set in sshd_config
Use consistent stderr 2 stdout redirects in grep checks.
Fix for update-locale: Warning: LANGUAGE (en_US.UTF-8) is not compatible with LC_ALL (). Disabling it.
Too long lines.
Use pid file to avoid running concurrent backend tasks causing load spikes.
Move pause after the task in a loop.
Use provision_civicrm 6.x-2.x directly.
Improve Aegir tasks scheduling and load spikes protection.
Monitor lsyncd and xinetd if installed and expected to run.