[point iterator] use the unit test framework library in unit tests (instead of include the test framework and compile it each time)
[set ops] remove #ifdef/#endif block used for debugging
[set ops] polish/simplify follow L/L code; change some vairable names that are confusing;
[test][algorithms][set ops] replace BOOST_CHECK by BOOST_CHECK_MESSAGE and in case of error output the two geometries, the expected and the computed results
[iterators] add missing includes; rename InnerRange to inner_range (coding standards);
Merge pull request #10 from mkaravel/feature/point_iterator

[point iterator] use the unit test framework library in unit tests
Merge pull request #11 from mkaravel/feature/setops

Feature/setops
[set ops] polish code and use std::find_if (suggestions by Adam);
Merge pull request #12 from mkaravel/feature/setops

[set ops] polish code and use std::find_if (suggestions by Adam);
Merge branch 'develop' of https://github.com/boostorg/geometry into feature/distance
[distance] add missing #includes; remove most "//====..." comment lines
[test][distance] unit tests now use the unit test framework library; polish code in unit tests;
[test][distance] update comment in unit test
[distance] update main comment in file
[distance] added missing includes
[distance] add missing includes
[distance] add missing includes
[distance] add one more missing include (distance dispatch)
[distance] add missing includes
[distance] move dispatch include a bit down