removed man files for each network distance implemented: the info will be merged in the netdist documentation
Merge branch 'beta' of https://github.com/filosi/nettools into beta
Added dependency by Matrix package and update symmetric check
Hide function g2adj from user and solved conflicts in mat2adj.Rd documentation file with the code
Slightly modified man pages... (typo and error cheking included)
mergin with last Filosi's changes

Merge branch 'beta' of https://github.com/filosi/nettools into beta

Conflicts:
	man/mat2adj.Rd
Solved merge on documentation file mat2adj.Rd
Update help page for netdist function
Rename netdist2.R with netdist.R
Modified the NAMESPACE file adding Matrix in the import
Solution of issue #14 and upgrade of exportMethods in file NAMESPACE
changed namespace/import definition
initialized Lap.Rd file
Update netdist file
Adjacency Laplacian kept as internal function: there is a Graph Laplacian function in igraph (graph.laplacian)
Merge branch 'beta' of github.com:/filosi/nettools into dev
added matrix method for g2adj
added double error message for non conformable graphs in netdist
Update AllGenerics and mat2adj manual
Merge branch 'dev' into beta