Added House for integration tests.

next: readme, more House, javadoc comments
Refactoring to improve House/Graph interaction, in progress.
Consolidating Graph code - dfs, bfs working.

next: fix dijkstra. House should run several things.
Put adt, algorithms, ds in lemmas package, Log and Test in debug package.

next: fix Graph api
Merge branch 'lemmas_package' into master/refactor branch. nocompile.

next: fix Graph api

Conflicts:
	src/main/java/house/House.java
	src/test/java/algorithms/SearchTest.java
	src/test/java/house/HouseTest.java
fixing Graph api. inprogress.
Fixed Graph api.

next: rename graph classes, remove graph2, handle cycles