OF-709: Update Jetty from 7.4 to 9.1.5

Fix OF-799: Select correct input radio on click into the text field.

Move all property keys regarding connection settings into a one class

Upgrade debian package dependencies to openjdk7.

Fix error message if build is started with an java version < 7

Replace deprecated toURL() with toURI().toURL() as per the JavaDoc

OF-811 Remove deprecated xml-not-well-formed error in favor of not-well-...

for now.

Fix eclipse project files

OF-736 Openfire should return <incorrect-encoding></incorrect> SASL failure, when not using base64 encoding

and raise those values to 1.7

OF-466

No need to emit a warning message for the MUC history reload limit.

Remove ant-subdirtask since it's automatically generated from source by
the 'anttasks' target.

OF-804 Joining a locked MUC room should return <item-not-found/> instead of <recipient-unavailable/>

OF-801: Extend Ant build script to support multi-platform binaries that do not have a file extension

Properly detect and modify encryption settings from the system
properties page. Remove encryption settings for deleted properties.

Update RSS feed locations for the new community site.