fixed issue 1902:SQLFORM.grid showbuttontext argument links doesn't have class button, thanks Francisco
Merge branch 'master' of github.com:web2py/web2py
added tests and refactored incorrect docstrings
fix multiprocessing tests under windows
we don't want tests to be covered
Merge pull request #451 from niphlod/fix/tests

added tests and refactored incorrect docstrings
Merge branch 'master' of github.com:web2py/web2py
Merge pull request #452 from niphlod/fix/tests_mp

fix multiprocessing tests under windows
Merge branch 'master' of github.com:web2py/web2py
Merge pull request #453 from niphlod/fix/coverage_ini

we don't want gluon/tests to be covered
Merge branch 'master' of github.com:web2py/web2py
fix rewrite tests under Windows
mssql4 adapter enhancements

Given that mssql4 requires MSSQL2012, we can use newer types for data
without worrying about compatibility with older MSSQL versions
prevent open redirects, thanks Steve Rawlinson
prevent_password_reset_attacks, thanks Steve Rawlinson
Merge pull request #455 from niphlod/fix/test_rewrite

fix rewrite tests under Windows
Merge pull request #456 from niphlod/enhancement/mssql4

mssql4 adapter enhancements
restored .travis.yml
- refactored internals
- pep8
- worker stats
- kill(), terminate(), resume(), disable() have a new "limit" parameter
- first steps towards autoscaling
- needs an additional column (easiest migration possible)
fix like behaviour