Update README.md

mention of glog / gflags as optional
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Added links to full and API documentation.
Update README.md
added edm accessor from solution object
Merge branch 'master' of github.com:beniz/libcmaes
added accessor to covariance matrix
added sample code that shows how to handle box-type bounds on objective function parameters
added sample code to demonstrate use of gradient injection
added code example for applying linear scaling of the parameter space
added support for unsetting a fixed parameter
when fixing up variables, x0 initialization was missing the clipping to the fixed value
Merge branch 'master' into minos

Conflicts:
	examples/Makefile.am
	src/cmasolutions.h