- Move package doc comments so they are recognized as package doc.
- Use t.Helper when appropriate.

* Initial implementation for 'dlv dap'

* Fix Travis and AppVeyor failures

* Address review comments

* Address review comments

* Regenrate documentation

* Replace dap server printfs with log.Error

* Update 'dap log'

* Fix typos

* Revert logflags changes that got mixed in by accident