#267 Patch for Bug#2818208

[kaybee]

Allows user to have a title with multiple consecutive new line characters.

Bug details - "Example title that causes exception:
JFreeChart jfreechart = ChartFactory.createPieChart("Pie Chart Demo 1\n\n\ntestnew line", piedataset, true, true, false);"

Attached file includes createTextBlock() method in TextUtitlities.java.

[kaybee]