BUMP 1.5.0RC2
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Fixed PHP-1049: MongoCollection::aggregateCursor batch size defaults should be: 101, 0 (server default)
Merged pull request #657
Refactor this function out, as we're doing the same thing twice.
Move handle_error into shared_cursor so the command cursor can use it too.
Fixed PHP-1046: Command cursor doesn't check if cursor exists.
Merged pull request #658
CID 20463 & 20464 Wrong sizeof argument (SIZEOF_MISMATCH)
CID-20535: Dereference null return value (NULL_RETURNS)
Fixed CID-13261 broken memcpy()

We actually intentionally leak the stream resources so we don't actually
need to copy the content of the context, only the pointer
CID 20060: Resource leak (RESOURCE_LEAK)
CID 19803 / 19802 / 19737 free error_message on failure
CID 19738 (and probably others) freeing error_message on failure

...Also, actually fail when we can't read all the data we were supposed to be able to
(eg. the network cable is ripped out after we get the header!)
Fix error codes
Merge pull request #654 from bjori/QA-coverity

Coverity fixes

* bjori/QA-coverity:
  Fix error codes
  CID 19738 (and probably others) freeing error_message on failure
  CID 19803 / 19802 / 19737 free error_message on failure
  CID 20060: Resource leak (RESOURCE_LEAK)
  Fixed CID-13261 broken memcpy()
  CID-20535: Dereference null return value (NULL_RETURNS)
  CID 20463 & 20464 Wrong sizeof argument (SIZEOF_MISMATCH)
Fixed PHP-1048 Segfault during shutdown attempting to kill rogue cursors after a failover
Merge pull request #656 from bjori/PHP-1048-segfault-during-shutdown

PHP-1048: Fix segfault during shutdown killing cursors after failover

* bjori/PHP-1048-segfault-during-shutdown:
  Fixed PHP-1048 Segfault during shutdown attempting to kill rogue cursors after a failover
Prep for branching 1.5

..We also have new pretty collname() method to get a colleciton
Mention how to compile enterprise driver