first version of dim reduction
added config and docs
simhash and minhash running
extended description slightly
more comments
more docs
minhash is not sparse
note about hash_bits
more text fixes
more minor code fixes
doxygen text changed
simple rehash function
fixes to header file
merged in new configuration setup
merge from master
fixed broken minhash implementation
fixed bugs in reduction functions
sparsify reduced dimensions
merge with master
dimension reduction with a Bloom filter