Refactor frame support and enable in screen and codeblock #1231
Update version and release notes for 2.0 milestone 3
Remove unused and commented out code
Clean Java code
Convert TopicRefWriter into a SAX filter
Clean Java code
Convert ConrefPushParser to a SAX filter
Change hard-coded year to current year in HTML and ODT stylesheets
Refactor HTML TOC stylesheet to use "roc" mode
Add HTML cover with TOC #1674
Make HTML cover page extend topic stylesheets
Refactor common string generation stylesheets #1188
Refactor string generation to use single string list #1188

Instead of reading allstrings.xml, assume strings.xml contains all
language mappings. The string list file can be passed in using parameter
"variable.file.url".
Use common getVariable for variable insertion #1188
Use common variable body processing in PDF and rest #1188
Use preface static content for notices #1186