Add "make test" target for binarytree example
Pretty up test script and test results
Add "make test" target for the basic example
Add "make test" target for icount
Add "make test" target for libpmem
Add "make test" target for libpmemalloc
Add "make test" target for trivial example
Add "make test" target for util
Top-level "make test" target
Fix "make clobber" for binarytree example