merge from master
Adapted WebCommunication for loading and searching online-project-meta-data
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FormulaEditor: Design and stability improvements
FormulaParsing: Daily merge from master branch
FormulaParsing: Deleted unused file
[Claudio Kirchmair] Changed the Background of the btnTransparence. Changed the SliderThicknessTextBox function that it updates and validates the Input if you change the Value of it. Changed the IApplicationBar for the ToolType.Eraser back to barStandard. Solved some bugs.
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rotate and line tool added
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LineTool implementation done
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Merge TFS Changeset 1163