Boost.Geometry Substantial progress on buffer

svn path=/trunk/boost/geometry/; revision=77061
Boost.Geometry Substantial progress on buffer (unit tests)

svn path=/trunk/libs/geometry/; revision=77062
Boost.Geometry fixes for offset-extension w.r.t. new buffer approach (does not run yet but compiles)

svn path=/trunk/boost/geometry/; revision=77063
Boost.Geometry buffer update (repairs linestring (partly))

svn path=/trunk/boost/geometry/; revision=77075
Boost.Geometry removed problem-causing empty list in XML doc

svn path=/trunk/libs/geometry/; revision=77099
Boost.Geometry applied patch from ticket https://svn.boost.org/trac/boost/ticket/6585

svn path=/trunk/boost/geometry/; revision=77103
Boost.Geometry applied patch from ticket https://svn.boost.org/trac/boost/ticket/6584 and fixed a related bug about the return type of strategies/projected_point which was integer for integer points (and should have been promoted to FP, fixed)

svn path=/trunk/boost/geometry/; revision=77107
Boost.Geometry processed patch https://svn.boost.org/trac/boost/ticket/6166 for missing transformation

svn path=/trunk/boost/geometry/; revision=77108
Boost.Geometry bugfix for disjoint of opposite-equal or or opposite-collinear segments
plus prepares extra parameters for buffer

svn path=/trunk/boost/geometry/; revision=77121
Boost.Geometry update in last fix (removes double assignment, handles follow-for warning gcc, comment-typos)

svn path=/trunk/boost/geometry/; revision=77122
Updated robustness test, added linear/areal (tested for 1.49)

svn path=/trunk/libs/geometry/; revision=77129
Boost.Geometry buffer update

svn path=/trunk/boost/geometry/; revision=77171
Boost.Geometry Buffer - removed duplicate approach for finding blocked turns

svn path=/trunk/boost/geometry/; revision=77172
Boost.Geometry fixed projection projects

svn path=/trunk/libs/geometry/; revision=77176
Boost.Geometry Projections removed unused variable s

svn path=/trunk/boost/geometry/; revision=77177
Boost.Geometry Projection: applied patch (submitted by Krzysztof Czainski) to avoid cosl, causing problems for some compilers

svn path=/trunk/boost/geometry/; revision=77178
Boost.Geometry - projections, generated again from proj4 (trunk)

svn path=/trunk/boost/geometry/; revision=77179
Boost.Geometry Projection: applied patch (submitted by Krzysztof Czainski) to avoid static const constants

svn path=/trunk/boost/geometry/; revision=77183
Boost.Geometry Projections now use Boost.Math constants

svn path=/trunk/boost/geometry/; revision=77184
Boost.Geometry Extensions, fixed project files

svn path=/trunk/libs/geometry/; revision=77202