threads dependency required to link with core

ocaml-openflow links against core, hence this module does so too
removed ocamldoc configuration
handcrafted Makefile

Even though topology has no submodules, this handcrafted file cleans up
setup.data, which is a win.
handcrafted Makefile removes setup.data
Merge pull request #21 from frenetic-lang/final-async

core/async compatibility and better makefiles
Revert "threads dependency required to link with core"

This reverts commit 8a1f814e7351745ec78ab2ec0b92a49790115a91.

See #21
Rebuild oasis files (related to revert)
Or ports together to keep policy more compact.
Group policies together by filter not ethDst = ... to keep policy more compact.
The previous changes worsen performance. Restore abfattree.py to version 0d70455
Small optimization to abfattree itself.
threads dependency required to link with core

ocaml-openflow links against core, hence this module does so too
(cherry picked from commit 8a1f814e7351745ec78ab2ec0b92a49790115a91)
changes to generated files related to c9726200
Merge pull request #22 from frenetic-lang/threads

Link against threads
Make abfattree.py executable.
print-as-string: Print MAC and IP addresses as strings when generating Mininet topologies.
Merge pull request #23 from frenetic-lang/print-as-string

print-as-string: Print MAC and IP addresses as strings when generating M...
Fixed bandwidth shorthand conversions in Parser. Normalize everything to bits-per-second.
Fixed typo in ports_of_switch function
Merge pull request #24 from jrmcclurg/master

Fixed typo in ports_of_switch function