Z Constraint on geometry_columns
Replace Has_Srid by ST_CoordDim
Use geometry header for st_coorddim
Use h2 1.3.175 fork
Fix OSGi unit test, update h2
remove underscore on ColumnSRID class
Change main class for dist
Merge pull request #129 from nicolas-f/h2-dist-mainclass

Change main class for dist

This will show a launch icon in OS.
javadoc
remove java7 incompatibility
Merge pull request #116 from nicolas-f/h2_1.3.175

Use h2 1.3.175 fork
Merge pull request #114 from nicolas-f/fix/srid_extraction

Z constraint shown on GEOMETRY_COLUMNS view
System functions start with underscore like "_GeometryTypeFromConstraint"

@gpetit @mlecoeuvre `ST_HasZ` has been replaced by `ST_CoordDim`.