It is now possible to execute a query with an empty "onRows" key
Moreover, explore method needs a JSONObject, not a JSONArray.
resolved a bug with constructed json

Conflicts:
	src/fr/solap4py/core/JSONBuilder.java
Merge branch 'develop' of https://github.com/Westpic/solap4py-java.git
into develop

Conflicts:
	src/fr/solap4py/core/JSONBuilder.java
added granularity and property support (including geometry) to explore
Merge branch 'develop' of https://github.com/Westpic/solap4py-java.git into develop
Added granularity and property support (including geometry) to explore.
Removed unused dependencies.
Tests of the MDXBuilder Class added
Tests of the JSONBuilder Class added
Merge branch 'develop' of https://github.com/Westpic/solap4py-java.git into develop
It is now possible to execute a query with an empty "onColumns" key.
Then, Geomondrian's default measure is displayed.
metadata object integration in Solap4py
handled the problem that occured when we wanted to retrieve levels (it
is an array, not an object)
resovled a null pointer exception in metadata class
handled bad identifier exceptions
test JSONBuilder modified to verify the dimensions
ProcessTest added
right format for metadata.java
MetadataTest created
Merge pull request #4 from Westpic/develop

Feature explore to get metadata