Merge branch 'bug/2.7.x/15193_fix_static_compiler' into 2.7.x
- bug/2.7.x/15193_fix_static_compiler: (#15193) Fix StaticCompiler#store_content (#15193) Add spec test coverage for static compiler Document the different forms of catalogs to help test writers (#15193) Document how to use the static compiler (Maint) Stop watchr from reading non-existent spec.opts Whitespace only cleanup