Minor refactoring, change public member variables to private with getters/setters, + added forceOverwrite parameter.
Added javadocs + minor code changes
Rename Spritepacker
Rename SpritePacker
Move reading of image files from constructor into factory.
Prefer final fields if possible, avoid duplicate initialization with default values.
Adapt javadoc to changes in constructor.
 Initialize array lists with known size if available.
switch variables in Node to primitives
Merge remote-tracking branch 'GitHub_fork/less_output' into less_output

Conflicts:
	src/com/murphybob/spritepacker/Node.java
moved sorting into PackGrowing, + minor refactoring
Switch to Java 7.
Define ImagePacking as a holder for the result of the packing algorithm.
Added optional converters.
Implemented CSS and LESS converters, added JavaDocs
Updated docs
Use 1&1 foss-parent POM and use maven conventions for source directory.
Add github URLs
ignore IntelliJ files
Implement PMD suggestions.