docs
remove array-of-shape
add compute-matrix protocol
default implementation for compute-matrix
protocols for scaled addition
add-scaled methods and tests
more add-scaled docs and tests
add-scaled-product API functions
add-scaled-product default implementations
add-scaled-product testing
add-product tests
doc fixes
[maven-release-plugin] prepare release core.matrix-0.7.0
[maven-release-plugin] prepare for next development iteration