lucene: added boost factor (issue #74), minor: added .gitignore with
eclipse standard project files / folders
Style cleaning.
Unrelated JUnit fixes.
Fixed stupid compile errors.
Fix to javadoc.
Merge branch 'pullreq-146'

Conflicts:
	buildNumber.properties
	src/main/java/no/priv/garshol/duke/databases/LuceneDatabase.java
Minor documentation fixes.
Update changes.txt

little mistake in my name ;-)
Merge pull request #148 from fabriziofortino/patch-1

Update changes.txt
added json support
Merge pull request #151 from dmnpignaud/master

added json support
Small tweaks to the Json contribution.
Added a main-class property to the .jar manfest, making the jar file runnable.