Merge Novel Layouts (#837)

* Merge novel layouts and simplify the Tokenizer class
* Fix core tests
* Delete auto-layout code
* Remove no longer needed item layouts
* Remove references to deleted item layouts in test
* Make some minor changes to Tokenizer class and update tests
* Update test reference files
* Update sample project
* Fix a few issues with the Tokenizer
* Centre some text in the sample documents
* Make some minor changes to how new projects are generated
* Add support for New Page and VSpace commands to the Tokenizer
* Remove Title and Page layouts and add codes for page break and vertical space
* Add document layout and fix some issues in index class with new title formats
* Update tests and reference files
* Bump the project file version and fix a minor issue in items class
* Update tests and test coverage
* Clean up some warnings and issues in tests

nw/core/tomd.py

@@ -108,6 +108,10 @@ class ToMarkdown(Tokenizer):
                 tHead = tText.replace(r"\\", "\n")
                 tmpResult.append("# %s\n\n" % tHead)
 
+            elif tType == self.T_UNNUM:
+                tHead = tText.replace(r"\\", "\n")
+                tmpResult.append("## %s\n\n" % tHead)
+
             elif tType == self.T_HEAD1:
                 tHead = tText.replace(r"\\", "\n")
                 tmpResult.append("# %s\n\n" % tHead)