Polishing changes to the code, README.md file, and Scipy settings file modifications.

Polishing changes to the svd_update.py are done. Readme file README.md is created.
New settings file for the Scipy compiling is added. Instructions how to use the package,
modifying Scipy and using the package are shortly written in the README.md file.

Changes to be committed:
	new file:   For_scipy_modification_flapack.pyf.src
	new file:   README.md
	modified:   svd_update.py