* refactoring: make methods static where possible
* format
* log errors with logger
* close resource also in case the underlying implementation does not need it
* remove url manipulations they are not necessary and also change absolute urls
* format
* refactoring: fix some reps
* update lesscss-engine to version 1.4.2
* add rhino sep
* add commons-logging dep
* exclude com.googlecode.jar instead of .jarjar
* update build descriptions