some changes
	new file:   eZLib/master-application.jnlp
	modified:   eZLib/nbproject/project.properties
	new file:   eZLib/preview-application.html
	modified:   eZLib/src/eZLib/Sketch.java
	modified:   eZLib/src/eZLib/Study/PSketch.java
	modified:   eZLib/src/eZLib/Theme.java
Merge branch 'master' of https://github.com/asyrovprog/ezapp
	modified:   eZLib/src/eZLib/MainFrame.java
	modified:   eZLib/src/eZLib/Sketch.java
	modified:   eZLib/src/eZLib/Study/DiffSketch.java
	modified:   eZLib/src/eZLib/Study/IncExcSketch.java
	modified:   eZLib/src/eZLib/Study/NoiseSketch.java
	modified:   eZLib/src/eZLib/Study/PSketch.java
	modified:   eZLib/src/eZLib/Study/PythTheoremSketch.java
	modified:   eZLib/src/eZLib/Testing/TestArrowSketch.java
	modified:   eZLib/src/eZLib/Testing/TestGridSketch.java
	modified:   eZLib/src/eZLib/Testing/TestLatexSketch.java
	modified:   eZLib/src/eZLib/Testing/TestTextSketch.java