Add test for issue 6134

fixes #6134
Temporarily comment out deploying docs (fixes #8387)
Merge pull request #8416 from skirpichev/6134-test

Add test for issue 6134
Merge pull request #8428 from skirpichev/8387-fix

Temporarily comment out deploying docs (fixes #8387)
Solved equality of arguments issue in integral.transform fix issue #8400
adjust whitespace
Add Sunny Aggarwal to AUTHORS/aboutus. Welcome to SymPy!
Merge pull request #8448 from sunny94/iss8400_transform

Solved equality of arguments issue in integral.transform fix issue #8400