cleaned up HashValueJoin and added test
added namespace to perf_regression/HashValueJoin.cpp
minor fix to make merge easier
added case to cast down MutableVerticalTable
Merge branch 'feature/mtv_op' of https://github.com/bastih/hyrise into feature/nested_radix_joins
Merge remote-tracking branch 'upstream/master' into feature/nested_radix_joins
patch for gcc 4.6
added Exception for case that get a MutableVerticalTable that does not consist of PointerCalculators as input
added parameter to choose number of threads for thread pools
added ThreadPerTaskScheduler
Remove redundant flags and use -march=native
Merge pull request #177 from bastih/feature/cleanup_configmk

Remove redundant flags and use -march=native
Merge branch 'feature/ThreadPerTaskScheduler' of https://github.com/JWUST/hyrise into JWUST-feature/ThreadPerTaskScheduler

Conflicts:
	src/bin/hyrise/main.cpp
	src/bin/units_taskscheduler/taskscheduler.cpp
Merge pull request #184 from bastih/JWUST-feature/ThreadPerTaskScheduler

ThreadPerTaskScheduler
Merge branch 'feature/nested_radix_joins' of https://github.com/JWUST/hyrise into JWUST-feature/nested_radix_joins

Conflicts:
	src/lib/taskscheduler/AbstractTaskQueue.h
Merge branch 'feature/cleanup_HashValueJoin' of https://github.com/timbokopter/hyrise into timbokopter-feature/cleanup_HashValueJoin

Conflicts:
	src/lib/access/HashValueJoin.hpp
Merge pull request #185 from bastih/JWUST-feature/nested_radix_joins

Nested radix joins refresh
Merge pull request #145 from lordgeorg/resource-manager-tests

ResourceManager tests
Merge pull request #186 from bastih/timbokopter-feature/cleanup_HashValueJoin

HashValueJoin pr refresh
removes current implementation of limit in PlanOperations