v.0.2.0

• fixed issue #5, heavy CPU load
• refactored system callings, introduced new utils for system calls
• system call stdouts are in logs now
• added meshalabserver support by calling via xvfb
• fixed mpjeg close stream bug in chrome and firefox
• added idle spinner to stream preview window
• prepared frontend for laser stepper support
• replaced threejs v70 by a newer version v74
• refactored webgl directive, added support for switching between mesh and pointcloud (experimental)
• refactored laser detection algorithm, it is more stable now.
• refactored and extended share dialog options
• made version number of firmware and server visible in main window
• added calibration stream option
• refactored httpRequestHandler
• refactored REST api
• replaced angular-slick
• added meshlab support to frontend
• refactored file handling
• fixed status bar
• added new icons