Memory Leak Fix for Reader.java

Fixes the memory leak (FileReader never closes) that was introduced in
446a6799b34e0.

Signed-off-by: Adam Brenner <aebrenne@uci.edu>
Create Table Grammar Added

The create table grammar is added. It supports most create table syntax and
some of the different data type conversion. For example, the following are
converted:

 +-------------------+-------------------+
 | MySQL DataType    | Asterix DataType  |
 +-------------------+-------------------+
 | int               | int32             |
 | bigint            | int32             |
 | tinyint           | int32             |
 | varchar           | string            |
 | text              | string            |
 +-------------------+-------------------+

Future work will include more datatypes and support for indices.

Signed-off-by: Adam Brenner <aebrenne@uci.edu>