Fix indentation of PrimeMeridian and Axis in WKT 2 formatting.
assertMultilineEquals(...) does not ignore anymore the leading spaces (i.e. the indentation).
Fix tests accordingly.


git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK7@1569812 13f79535-47bb-0310-9956-ffa450edef68