Skip test_schema03.py on Window since rlimits are unix specific
Add __wt_getenv to workaround caching in MSVC CRT's getenv implementation.
Merge pull request #1502 from markbenvenuto/win_test_schema03

Skip test_schema03.py on Window since rlimits are unix specific
Merge pull request #1504 from markbenvenuto/wt_getenv

Add __wt_getenv to workaround caching in MSVC CRT's getenv implementation
Fix a bug where a custom extractor terminate was being called twice.

Resolves issue #1503.

Clarify the custom extractor and collator terminate documentation while
I'm here.
Merge pull request #1506 from wiredtiger/extractor-terminate

Fix a bug where a custom extractor terminate was being called twice.
Make the cache bytes-written and bytes-read match, both should
ignore compression. Reference #1505.
Have extractor configuration checking match collator.

Clean up - no intended functionality change.
Merge pull request #1507 from wiredtiger/extractor-none-config

Have extractor configuration checking match collator.