Fix warnings for MSVC14

warning C4456: declaration of '...' hides previous local declaration
warning C4244: 'initializing': conversion from 'double' to 'const float', possible loss of data
Add metadata file.
Merge pull request #6 from MarcelRaad/develop

Fix warnings for MSVC14
Merge pull request #7 from danieljames/metadata

Create metadata file.
* merge pull request from Daniel James: metadata file
* removed out-dated and too big doxygen documentation
* change maintainers name in metadata
Improved documentation of matrix_vector.hpp
manually resolving conflict with doc/html/index.html
conflicts in doc resolved manually
Merge pull request #8 from jdurancomas/develop

Improved documentation of matrix_vector.hpp
Merge branch 'develop' of https://github.com/uBLAS/ublas into UBLAS-develop

Conflicts:
	doc/index.html
	index.html
Merge pull request #9 from boostorg/develop

Develop