SERVER-15532 Skip geo_s2cursorlimitskip.js test in parallelTester.

Signed-off-by: Ian Whalen <ian@mongodb.com>
SERVER-15535 In SyncTail::oplogApplication, do not look in ops container when it is empty.

This fixes a shutdown-time segfault, caused when the applier thread exits the
inner loop due to inShutdown, rather than because it has operations to apply.
SERVER-15179 Fixed authSchemaUpgrade for replica sets
Merge remote-tracking branch 'upstream/master'