* Integration tests: Add simple TXT tests. * NS1: Fix bug in TXT record handling.
* Downcase DNS names * Document opinions
* adding simple provider feature matrix generator * filling out matrix * clean output * dead code * explanatory text * explanatory text * typo * move stuff around * clean * editing
* add ns1 libs to vendor * Create shim and wire into tests * ns1 provider more working. * vendor correct files * comment diff functions * ns1 docs * making mx work with ns1 * ? * refactor tests to make capability blocks easier. fix up ns1