[SPARK-4358][SQL] Let BigDecimal do checking type compatibility

Remove hardcoding max and min values for types. Let BigDecimal do checking type compatibility.

Author: Liang-Chi Hsieh <viirya@gmail.com>

Closes #3208 from viirya/more_numericLit and squashes the following commits:

e9834b4 [Liang-Chi Hsieh] Remove byte and short types for number literal.
1bd1825 [Liang-Chi Hsieh] Fix Indentation and make the modification clearer.
cf1a997 [Liang-Chi Hsieh] Modified for comment to add a rule of analysis that adds a cast.
91fe489 [Liang-Chi Hsieh] add Byte and Short.
1bdc69d [Liang-Chi Hsieh] Let BigDecimal do checking type compatibility.