Funnelback patch 15.12.0.15

Description

Fixes a bug in Accessibility Auditor which caused the document audit view to fail when a document contained escaped or unicode characters in their classnames.
Fixes a potential indexer crash introduced in 15.12.0.14, and some additional cases where multiple dots could be shown in summaries.

(Windows) Stop currently running crawls.
Stop the Jetty web server and the Funnelback daemon.
If bin/outliers-log-processing.pl is called directly on the command line, take note of the perl referenced in the #! line.
Deploy the provided files on top of an existing install, backing up all replaced files.
If bin/outliers-log-processing.pl is called directly on the command line, update the perl referenced in the #! line.
To support extended tweets, add "cb.setTweetModeExtended(true);" after the "ConfigurationBuilder cb = new ConfigurationBuilder();" line in the twitter custom_gather.groovy script.
Start the Jetty web server and the Funnelback daemon.
(Windows) Start crawls as needed.