refactored code to fix Coverity Scan errors
cleaned up TODO file
updated version to 1.3.0 build 118
updated CoverityScan.cmd with path to latest analysis tool
updating Run and Stop commands when starting/stopping debugging, in scripting editor
added TODO file to scripting editor project
updated doxygen.cfg to doxygen version 1.8.8
updated documentation files
fixed doxygen and cppcheck warnings
ignore friend declarations in doxygen; it seems friend declarations are not always recognized properly
added "clean" command for cppcheck build
added progress text for registering/unregistering WIA event handler, and changed homepage URL in setup