api 6.x-1.9-beta1

Changes since version 6.x-1.8:

User interface updates

- Fix bug in references/linking that prevented references/links between a function and a theme call to a same-named theme hook (issue)
- Handle linking better for chained methods (issue)
- Make linking/references distinguish between class methods and properties (issue)
- Make "list of calls to" page for class methods (issue)
- Fix class display page so it will list property and method with same name (issue)
- Make search and auto-complete include overridden methods, which had previously been excluded (issue)
- Add ability to make a link to an HTML file in documentation (issue)
- Make file names within () turn into links too (issue)
- Change displayed summary for HTML files to be the page title rather than first few lines (issue)

Other updates

- Fix bug in setups with multiple directories to scan in same branch (issue)
- Various code and documentation cleanups (issue)