Merge tag '3.6.2' into develop

3.6.2
Update readme to link to the isort wiki
Fix link syntax
Fix line split for as imports.
Merge pull request #140 from stj/develop

Fix line split for as imports.
Update ACKNOWLEDGEMENTS.md
Merge pull request #142 from wimglenn/patch-1

Update ACKNOWLEDGEMENTS.md
Add test to ensure issue #137 is handled correctly
Fix issue #137 - reusing comment parsing logic from main parser
Add test to ensure long style comments get passed over as well
Small fix to test
Fix isort behavior when dealing with long style comments directly after import section
Merge pull request #146 from timothycrosley/feature/fix-issue-137

Feature/fix issue 137
Add support for not_ settings when dealing with any list based setting
Change isort config to explicitly parse __init__.py
Remove uneeded print statement
Only add imports if file contents exists
Add force add capability to handle case where users want to force adds to take place even for currently empty files
Make force-adds flag operational
Add test to assert force_adds flag works as expected