geometry::index: commented out explicit copy ctor and assignment of ptr_pair.

svn path=/trunk/boost/geometry/; revision=83879
geometry.test.index: added smaller testsets

svn path=/trunk/libs/geometry/; revision=83881
geometry::index tests: leaved generated tests only for double coordinate type; generated and interprocess tests replaced by smaller ones.

svn path=/trunk/libs/geometry/; revision=83882