Link libe for benchmarks.

Signed-off-by: Sean Ogden <positivelyskewed.sf@gmail.com>
add add_space and rm_space commands to ruby client
adjust macros for creating bitstring for data types
Merge branch 'add_elibs_to_makefile' of git://github.com/seanogden/HyperDex

* 'add_elibs_to_makefile' of git://github.com/seanogden/HyperDex:
  Link libe for benchmarks.

Fixes #101
Merge branch 'fix_ruby_client' of git://github.com/goggin13/HyperDex

* 'fix_ruby_client' of git://github.com/goggin13/HyperDex:
  adjust macros for creating bitstring for data types
  add add_space and rm_space commands to ruby client