Merge pull request #792 from chrox/master

rebase crengine with sourceforge upstream
Search Enhancements

- Paths now can have unicode characters
- Long tap on search result shows book infos
Changed size and added some "close"s
Merge pull request #794 from WS64/master

Search Enhancements
rescale image if width or height is specified in ImageWidget
remove global variable Image
remove more global variables