Merge pull request #1 from xtuple/master

update stack
Merge pull request #2 from xtuple/master

catching up
Merge pull request #3 from xtuple/master

update stack
Merge pull request #4 from xtuple/master

update stack
Merge pull request #5 from xtuple/master

update stack
Merge pull request #6 from xtuple/master

catching up
Merge pull request #7 from xtuple/master

catching up
spelling.
Incident #19268 - added fetch, callback functions for bicacheCollection
Incident #19268 - finished function that destroys old bicache models
Incident #19268 - fixed some things
Incident #19268 - made a toDo note for something we might have to consider later
Merge pull request #146 from mikerodonnell89/19268

19268
Issue #19293 Add support for session timeout cleanup and destroy.
Issue #19293 fix merge conflict.
Fix indent.
Merge pull request #148 from bendiy/19293

19293
issue #19379: lock on maintenance
issue #19379: cleanup
Merge pull request #149 from shackbarth/19379

issue #19379: maintenance route can only be run once at a time