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
Fixed minor error in tx.rst
Basic refactoring, added table_id_offsetting
Namespace mutable vertical table
Merge pull request #146 from bastih/feature/horizontal_refactor

feature/horizontal refactor
Supporting Limit, Offset in Queries
Misc Updates

* Updating Sort to support ascending and descending sort
* Fixing small bug in Commit handling for commit ids
* Fixing bug in Text handling for String fields in HTTP
Remove PointerCalculatorFactory

* clean up pointer calculator tests
* move construction of shared_ptr into static PointerCalculator::create
Cleanup pointercalculator class, added override spec
Merge pull request #155 from bastih/feature/remove_pointercalc_factory

PointerCalculator cleanup
Remove unused tracking or result sorting