Checks node is the first in its own start line. By default it looks by start line.
@param {ASTNode} node The node to check
@param {boolean} [byEndLocation=false] Lookup based on start position or end
@returns {boolean} true if its the first in the its start line
function isNodeFirstInLine(node, byEndLocation) {
		var firstToken = byEndLocation === true ? context.getLastToken(node, 1) : context.getTokenBefore(node),
			startLine = byEndLocation === true ? node.loc.end.line : node.loc.start.line,
			endLine = firstToken ? firstToken.loc.end.line : -1;

		return startLine !== endLine;
	}