Merge pull request #1 from viteke/master

pull lucene changes
Merge https://github.com/arago/rike
Merge pull request #13 from viteke/master

improve index reader
remove json-simple dependency
merge
Merge pull request #15 from p1tz/master

merge
add commit method
Merge pull request #16 from p1tz/master

merge
make fields volatile
Merge pull request #17 from p1tz/master

merge
refactor converter
Merge pull request #18 from p1tz/master

merge
remove synchronized
Merge pull request #19 from p1tz/master

merge
remove timing information from stderr
Merge pull request #20 from p1tz/master

merge
add parse method
Merge pull request #21 from p1tz/master

merge
added escape special characters method
fix NPE in cookies