fixed a typo in Changelog
fixes density methods in AbstractCompressedMatrix/CompressedVector
Merge pull request #54 from ewaldgrusk/fix_density_methods

Fixes density() in AbstractCompressedMatrix/CompressedVector
added credits for Ewald
Merge branch 'master' of https://github.com/vkostyukov/la4j
I want to try how merging works, and then push fresh version