geometry.index example: added random test.

svn path=/trunk/libs/geometry/; revision=84031
geometry.index test: moved to index/test.

svn path=/trunk/libs/geometry/; revision=84033
geometry.index example: moved to index/example

svn path=/trunk/libs/geometry/; revision=84034
geometry.index test: names of test-suites names changed to the older ones in order to be consistent with the rest of Boost.Geometry.

svn path=/trunk/libs/geometry/; revision=84036
geometry.index: fixed numeric_limits max() calls in iterative nearest visitor.

svn path=/trunk/boost/geometry/; revision=84037
geometry: tabs replaced by spaces in non-extensions code.

svn path=/trunk/boost/geometry/; revision=84038