Updated SBT link documentation
Fixed inifinite recursion in TestBrowser.submit

Fixes #1707
Fixed 505 body sending bug

Ensured that the original body, but rather, an error message body is
sent when a chunked result is returned for a HTTP/1.0 request.
Merge pull request #1556 from jroper/sbt-link-docs

Allow for community support of other build systems
Merge pull request #1707 from jroper/1707-testbrowser-submit

[2.2.0-RC2] Error with TestBrowser/Selenium/Fluentlenium
Merge pull request #1778 from jroper/http10-chunked

Fixed 505 body sending bug