Remove chef recipe and Vagrantfile, update and improve README and dependency setup
JsonTable Plan Operation

Adding the possibility to specify tables directly from JSON without
specifying the header. Supports the following notation:

	"0" : {
  		"type" : "JsonTable",
  		"names" : ["A", "B", "C"],
  		"types" : ["INTEGER", "STRING", "FLOAT"],
  		"groups" : [3],
  		"useStore" : true
  	}

Follows the same properties as the TableBuilder class that is used below. Furthermore,
it has the useStore flag to indicate if the result should be a Store class with the
default Merge set.

The plan operation now supports specifying a data section
that allows to directly submit intput data to the plan
operation.

    {
        "operators": {
            "-1" : {
                "type": "TableLoad",
                "table": "reference",
                "filename" : "tables/revenue.tbl"
            },
            "0": {
                "type": "JsonTable",
                "names": ["year", "quarter", "amount"],
                "types" : ["INTEGER", "INTEGER", "INTEGER"],
                "groups" : [1,1,1],
                "data" : [
                    ["2009","1","2000"],
                    ["2009","2","2500"],
                    ["2009","3","3000"],
                    ["2009","4","4000"],
                    ["2010","1","2400"],
                    ["2010","2","2800"],
                    ["2010","3","3200"],
                    ["2010","4","3600"]
                ]
            }
        },
        "edges" : [["0", "0"]]
    }

The above being an example from the unit tests. Data must be given as strings
regardless of the types and will be casted correctly later
Insert Scan is now remote callable
Merge pull request #118 from bastih/feature/remove_chef

Remove chef recipe and Vagrantfile, update and improve README and depend...
Merge pull request #119 from hyrise/feature/json_table

JSON Table
Merge pull request #121 from hyrise/feature/insert_scan_remote

Insert Scan is now remote callable
Minimal improvement on Makefile
Allow subdirectories in libs/bins