Set learner_id in search.cc
Fix a bug in search_multiclass
Add test example for search multi-class
test result for search multiclass
Merge remote-tracking branch 'upstream/master' into multiple_learners

Conflicts:
	test/RunTests
	vowpalwabbit/search.cc
Merge
Fixing make step on *nix

beam.h was removed here
https://github.com/JohnLangford/vowpal_wabbit/commit/b01f6b25d797b60f19dbbc2d879c158c01974216

Removing it from Makefile.am to fix make step
Merge pull request #438 from hal3/master

memory leak fixes in python interface
Merge pull request #437 from smartkiwi/master

Fixing make step on *nix
Merge pull request #435 from KaiWeiChang/multiple_learners

Search:search_multiclass & learner_id
added beam.h back, beginning to do beam search
templatized beam
beam search working, added test for non-ldf mode
added missing files
minor bug fix in ldf, beam in ldf now working, test added