added credits for Jakob; cleared code a bit
added crout() method for searching determinant
added notes for crout()
added CroutDecompositor to org.la4j.decomposition
changed determinant searching, now CroutDecompositor is used
added Crout_DECOMPOSITOR instance to Matrices class
added test case for CroutDecompositor
smth
added CroutDecompositor to org.la4j.decomposition
changed determinant searching, now CroutDecompositor is used
added Crout_DECOMPOSITOR instance to Matrices class
added test case for CroutDecompositor
Merge branch 'master' of https://github.com/yuronew/la4j
deleted junk
deleted another junk))
Finally, deleted last junk file!
Cleared code according to vkostyukov comments
deleted bad reference to crout() method
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
fixed CroutDecompositorTest()
replaced tabs with spaces in CroutDecompositorTest.class
replaced tabs with spaces un CroutDecompositor.java
some other code formatting due to Oracle rules