Merge pull request #7 from mukoki/master

Bug fix and cleaning on CTS library
Fix a bug in CTSTestCase.
The ulp of the complex numbers o1 and o2 were not compared.
Merge pull request #9 from mukoki/master

Fix a bug detected by Jules in TestComplex
Creation of the EllipsoidTest class.

Implementation of a test checking the following construction methods :
- createEllipsoidFromSemiMinorAxis
- createEllipsoidFromInverseFlattening
- createEllipsoidFromEccentricity
Implementation of a test checking the basic ellipsoid defined in org.cts.Ellipsoid.

For each ellipsoid, the test check the value return by each getter defined in the Ellipsoid class.
Implementation of the tests checking the transformations between latitude and isometric latitude.

This tests are based on IGN testing values.
Implementation of the tests checking the calcution of :
- the transverse radius of curvature at a certain latitude.
- the curvilinear abscissa correpsonding to a certain latitude.

This tests use IGN's testing values.
Implementation of the tests  checking the following methods :
- meridionalRadiusOfCurvature.
- arcFromLat.
- latFromArc.
Correct some errors in the Javadoc.
Fix two bugs in GeodeticDatum and clean a few other classes.

First, the Map datums was not filled during the construction of a GeodeticDatum.

Second, the the the use of a the class Identifier as a key threw NullPointerException during the test,
so I choose to pass to String as in VerticalDatum.
Clean the authors' names.
Implementation of tests for org.cts.datum.GeodeticDatum.
Merge branch 'fixBugs' into GeodaticDatumTest
Merge pull request #11 from jparty/ellipsoidTest

Ellipsoid test
Correct the author name in test org.cts.datum.GeodeticDatumTest.
Improve the uses of appends in Ellipsoid class.
Modification of the code so that the Map datums from org.cts.datum.GeodeticDatum uses Identifier instead of String as a Key.
Fix a bug that prevent the merging.
A new fix for the conflicts in merging.
Merge pull request #12 from jparty/GeodaticDatumTest

Geodatic datum test