Update leveldb dep to 1.3.2 and bump version to 1.3.2
add support for new leveldb Option variable verify_compactions
update build deps to equivalent leveldb release
update erlang layer to know of new options.  spotted by Engel
Merge pull request #63 from basho/mv-verify-compactions

add support for new leveldb Option variable verify_compactions
Set leveldb commit version to 1.3.2
Merge branch '1.3'

Conflicts:
	c_src/build_deps.sh