Remove REPORT_OUTPUT_TYPE_HTML

This removes HTML output when SHOWREPORTS is specifies. This still leaves
text output (although this should probably also be reconsidered) AND
it leaves the HTML output in cf-report.
Pull out escape condition from LoadSlowlyVaryingObservations (nova)
Move constraint appending to policy.h, standardize naming
Standardize more naming for policy.h
Fix set_domainname_test, missing LOOKUP global
Merge pull request #318 from sigurdteigen/cleanup/remove-report-output-type-html

Remove REPORT_OUTPUT_TYPE_HTML
Rename AppendPromise -> SubTypeAppendPromise
Move namespace parsing state from Policy DOM to ParserState

Removes function SetCurrentNamespace, CurrentNamespace
Rename, standardize GetSubTypeForBundle -> BundleGetSubType