added link to installation instructions
remove in-repo installation instructions to avoid having multiple documents with the same information to maintain
refer to doc changelog to avoid maintaining two copies of the same info
move note about release notes/changelog to markdown readme file
make sure cython files are included in source distribution
added target for building cython explicitly
autogenerate .f2py_f2cmap from setup.py because it is not easy to automatically include in source distributions from setup.py
generate .f2py_f2cmap from setup.py
include pyx, pxi and pxd files in distribution.
remove c files from distribution (require cython at build)
add .f2py_f2cmap to gitignore
bump debian version
fix for win platform
Merge pull request #297 from jrjohansson/3.1-release-updates

3.1 release updates