[index] Use default_comparable_distance_result whenever possible
Merge branch 'develop' of github.com:boostorg/geometry into develop
Merge branch 'develop' of https://github.com/boostorg/geometry into feature/disjoint
[test][distance] eliminate make_* functions in test_distance_common.hpp; replace occurrences of these functions with wkt descriptions of the geometries (boxes and segments)
[test][distance] make sure sqrt is called with a double argument (to avoid problems with VS2010 that does not promote ints to doubles in sqrt)
Merge pull request #29 from mkaravel/feature/distance

Feature/distance
Merge branch 'develop' of https://github.com/boostorg/geometry into feature/disjoint