Merge branch 'gh-102-ANTLR_parser_whitespace' of https://github.com/rpastrana/hpcc-jdbc into rpastrana-gh-102-ANTLR_parser_whitespace

Conflicts:
	src/main/java/org/hpccsystems/jdbcdriver/ECLEngine.java
	src/main/java/org/hpccsystems/jdbcdriver/antlr/sqlparser/generated/SQLExpressionLexer.java
	src/main/java/org/hpccsystems/jdbcdriver/antlr/sqlparser/generated/SQLExpressionParser.java