New annotation: @venus-fixture-reset (true|false)

You can now disable the behavior of reseting test HTML fixtures after each test executes.

To disable this behavior, use: `@venus-fixture-reset false`

If this annotation is not present, then the default value will be true.
Merge pull request #230 from sethmcl/disable_fixture_reset

New annotation: @venus-fixture-reset (true|false)
New test reporter: JUnitReporter for JUnit XML output

usage: `venus run -t tests -e env -r JUnitReporter -o output.xml`

The test results will be stored in the file output.xml
Merge branch 'junit_reporter' of github.com:sethmcl/venus into sethmcl-junit_reporter

* 'junit_reporter' of github.com:sethmcl/venus:
  New test reporter: JUnitReporter for JUnit XML output

Conflicts:
	.venus/templates/default.tl
Adding docs to repository.
Setup venus theme for docs