moved around some source files, fixed a pom

xchart-examples/pom.xml

...xamples/src/main/java/com/xeiam/xchart/BitmapEncoder.java

xchart-examples/src/main/java/com/xeiam/xchart/Chart.java

...t-examples/src/main/java/com/xeiam/xchart/ChartColor.java

...t-examples/src/main/java/com/xeiam/xchart/QuickChart.java

xchart-examples/src/main/java/com/xeiam/xchart/Series.java

...-examples/src/main/java/com/xeiam/xchart/SeriesColor.java

...mples/src/main/java/com/xeiam/xchart/SeriesLineStyle.java

...examples/src/main/java/com/xeiam/xchart/SeriesMarker.java

...examples/src/main/java/com/xeiam/xchart/SwingWrapper.java

...-examples/src/main/java/com/xeiam/xchart/XChartPanel.java

...ples/src/main/java/com/xeiam/xchart/example/Example0.java

...ples/src/main/java/com/xeiam/xchart/example/Example1.java

...les/src/main/java/com/xeiam/xchart/example/Example10.java

...les/src/main/java/com/xeiam/xchart/example/Example11.java

...ples/src/main/java/com/xeiam/xchart/example/Example2.java

...ples/src/main/java/com/xeiam/xchart/example/Example3.java

...ples/src/main/java/com/xeiam/xchart/example/Example4.java

...ples/src/main/java/com/xeiam/xchart/example/Example5.java

...ples/src/main/java/com/xeiam/xchart/example/Example6.java