Merge pull request #162 from pedrofvteixeira/CDF-205

[CDF-205] cdf core-refactor
[CDF-205] - CDF core-refactor
	- fixed endpoint for JFreechart zoom in version 5
	- fixed bug that throws an exception, in JFreechart zoom, when popup blockers are active
Merge pull request #163 from afrjorge/master

[CDF-205] - CDF core-refactor