Fixing Json annotations
adding JsonCreator to fix orphan
adding Depth First Create - some fix are needed
adding full Json tree capability for serialization and deserialization
adding json plain text db loading
some fix in persistence classes
fixing import bug
fixing jackson annotations
adding full import from Json
fixing sample json
Merge branch 'master' into ormdao-experimental

Conflicts:
	res/raw/ormlite_config.txt
	src/fr/softwaresemantics/howmanydroid/CalculatorActivity.java
Merge branch 'master' into ormdao-experimental

Conflicts:
	res/raw/ormlite_config.txt
	src/fr/softwaresemantics/howmanydroid/CalculatorActivity.java
remove files from previous experiments