Port fixes for:
* DEV-10609 Checkboxes in About Land untick when selected
* Extend the sim node regex to support sim1-telstra.durga.lindenlab.com for colo testing.
* Provide "version_valid" for each version when querying a channel
* Update to latest eventlet r87, to handle multi-character terminators split across read buffers
* DEV-10487 Log viewer stats sim and php fix
* QAR-288: Pull in crash fixes from LSL bytecode parsing
** This should be the last merge from branches/maintenance. All future merges will be from new maintenance-# branches off release **
ACTUAL MERGE: svn merge -r70609:70621 svn+ssh://svn/svn/linden/branches/maintenance-0-qa-r70556
RELATED MERGE: svn merge -r69921:70316 svn+ssh://svn/svn/linden/branches/maintenance-0-qa