separate out yjw lib contrib
merge master, fix conflict
fix merge (mostly remove duplicate functions in treelib)
revert namefunc change to compbio.coal
add doc, fix tabs in compbio.phylo
fix tabs, improve Tree.__repr__
Merge branch 'rasmus-master' into yjw-libs
Merge branch 'rasmus-master' into yjw-libs

Conflicts:
	rasmus/treelib.py
Merge branch 'rasmus-master' into yjw-libs

Conflicts:
	rasmus/treelib.py
remove extra func
codequality and code moving
Merge branch 'rasmus-master' into yjw-libs

Conflicts:
	rasmus/treelib.py
remove invalid arg in treelib write_data
remove node.data["tree"]
codequality on treelib
add namefunc test
simplify tree.write
Merge pull request #2 from wutron/yjw-libs

rasmus and compbio library updates from yjw