fixed "divide by zero" exception when calling clearChart()
canvas renamed to _Canvas
added missing brackets
added performClick in onTouchEvent
replaced ACTION_UP with ACTION_DOWN
added public update() method
Merge pull request #14 from j4velin/showValues

Added mShowValues attribute which determines if the value of each data should be drawn in the graph
Merge pull request #17 from j4velin/performclick

added performClick in onTouchEvent
Merge pull request #18 from j4velin/update

added public update() method
Moved 'ShowValues' to BarChart as it is only used there and created the corresponding XML-attribute.

Merge branch 'getdata' of https://github.com/j4velin/EazeGraph into j4velin-getdata

Conflicts:
	EazeGraphLibrary/src/main/java/org/eazegraph/lib/charts/BaseChart.java
Merge branch 'j4velin-getdata'
Merge branch 'upstream'
Merge remote-tracking branch 'upstream/master'

Conflicts:
	EazeGraphLibrary/EazeGraphLibrary.iml
	showcase/src/main/res/layout/fragment_bar_chart.xml
	src/main/java/org/eazegraph/lib/charts/BaseChart.java