Merge pull request #91 from mkaravel/feature/distance

Feature/distance
[simplify] protect work in progress by define because it is still failing
[buffer] Avoid accessing pieces if no pieces were added
Fix MSVC compiler warnings
This removes unused variables and redundant re-declarations to silence
warnings about variable shadowing. Tested on MSVC 14 CTP2.
Merge pull request #92 from MarcelRaad/develop

Fix MSVC compiler warnings
[relate] Add 'const' keyword to declarations of not modified variables.
[doc] add solved ticket 10077 to release notes
[multi][algorithms][num_points] add include for std::size_t;
qualify with std:: an occurrence of unqualified size_t;
[within][winding] Add more robust calculation of sides in winding strategy.

This commit fixes the ticket https://svn.boost.org/trac/boost/ticket/9628.
The side is calculated always WRT the vertical segment if the p<1> is "equal" to one of the segment endpoint's <1>.
For more information see the comment in the code.
Merge pull request #94 from mkaravel/fix/num_points

[multi][algorithms][num_points] replace size_t with std::size_t
[test][within] Comment out, mistakenly not commented out line
[strategies][winding] Replace Points creation using copy-ctors with default-ctors + set<>()

Also add some comments about what's going on in the code.
Merge pull request #95 from awulkiew/feature/point_in_geometry

Fix for within() - ticket https://svn.boost.org/trac/boost/ticket/9628
Add ticket 9628 to release notes, fix the ticket 10077 placement
[doc] Fix docs of Boost.Polygon adapters, add examples.
[doc] Add Boost.Polygon examples to Jamfile