Merge branch 'develop'

.gitignore

README.md

pom.xml

xchart-demo/pom.xml

...-demo/src/main/java/com/xeiam/xchart/demo/XChartDemo.java

...ain/java/com/xeiam/xchart/demo/charts/bar/BarChart08.java

...main/java/com/xeiam/xchart/standalone/TestForIssue83.java

xchart/pom.xml

xchart/src/main/java/com/xeiam/xchart/StyleManager.java

...chart/internal/chartpart/AxisTickNumericalCalculator.java

.../xeiam/xchart/internal/chartpart/PlotContentBarChart.java

...xeiam/xchart/internal/chartpart/PlotContentLineChart.java

...in/java/com/xeiam/xchart/internal/style/GGPlot2Theme.java

...ain/java/com/xeiam/xchart/internal/style/MatlabTheme.java

.../src/main/java/com/xeiam/xchart/internal/style/Theme.java

...ain/java/com/xeiam/xchart/internal/style/XChartTheme.java