update
Custom-extractor lint, whitespace, reference #1215.
Use builtin reader/writer lock on Windows
Merge pull request #1340 from wiredtiger/custom-extractors-lint

Custom extractors lint
__wt_writeunlock can return an error.
Last value assigned to variable 'lock_busy' (defined at line 47) not used.
Merge pull request #1342 from markbenvenuto/win_rw

Use builtin reader/writer lock on Windows
__wt_config_gets_def() should be passed an int true/false, not a flag mask.
Fixed an error in doc processing for multiple languages.  We really
only want to process @m_page to the end its associated comment
multiple times, not the entire file.  Otherwise anything else in the
file is duplicated.  refs #1341.
Draft change log for 2.4.1 release.
Use raw strings for regular expressions in Python: otherwise I have to worry about how backslashes are interpreted.
Merge pull request #1345 from wiredtiger/doc-fix-dup

Fixed an error in doc processing for multiple languages.
Merge branch 'develop' into release-2.4.1
Merge pull request #1346 from wiredtiger/release-2.4.1

Draft change log for 2.4.1 release.
Bump release version to 2.4.2 on develop branch.
If forcing a busy page out of memory, it's possible reconciliation couldn't
write any key/value pairs, in which case we have a page image with no items.
In that case, pass in an additional flag to verification that an empty page
is OK.

Reference #1347.
Merge branch 'develop' into directory-sync-log-files