SLICE-1 Added @Children annotation and support for mapping children into List. Work only for List, the path can be determined by adding @JcrProperty("path") to field
SLICE-1 Added support for arrays.
Some refactoring fixes
Refactoring fixes, implementation moved from GenericSlingMapper.java to ChildrenFieldProcessor.java
Merge branch 'master' into slice-1
Clean-ups
applied code review remarks
Merge branch 'master' into slice-1
Organizing imports
Merge branch 'master' into slice-1

Conflicts:
	slice-mapper/src/main/java/com/cognifide/slice/mapper/SlingMapperFactory.java
SLICE-1 using modelProvider's method to get children
Merge branch 'master' into slice-1

Conflicts:
	slice-mapper/src/main/java/com/cognifide/slice/mapper/SlingMapperFactory.java
Returning empty list if child resource doesn't exist
Correct ordering of processors
Merge pull request #19 from Cognifide/slice-1

SLICE-1