Do not init spark context when in remote mode
SHARK-193: reducing Shark's logging verbosity
SHARK-183: implementing BooleanBitSetCompression
Merge pull request #173 from AndreSchumacher/info_to_debug

SHARK-193: reducing Shark's logging verbosity
Merge pull request #174 from colorant/shark-server

Do not init spark context when in remote mode
Merge pull request #172 from AndreSchumacher/boolean_bitset_compression

SHARK-183: implementing BooleanBitSetCompression
Bug fix in Pruning between clauses. When the second evaluator is a function, we should not throw an exception

Conflicts:
	src/test/scala/shark/SQLSuite.scala
Merge branch 'master' of github.com:amplab/shark
Moved the test for partition pruning into the appropriate block.
Merge pull request #176 from rxin/partitionbug

Bug fix in partition/map pruning for between clauses.
Moved Spark's repository to its ASF github mirror.
Clone Spark into the spark folder for CI script (instead of incubator-spark).
Merge remote-tracking branch 'ampshark/master' into partition-caching

Conflicts:
	src/main/scala/shark/execution/TableScanOperator.scala
	src/test/scala/shark/SQLSuite.scala