Several changes:

    - issue 2567: don't just ignore truncation reports from mysql
    - Compile fixes for MSVS2013
    - fix strange browser issue with non-integral measurements (tstui3)
    - Small fixes for potential problems reported by coverity
    - fix WTextEdit JS error when layout managers are not used
    - some cleanups in SQL generated: indentation, ';',  newlines
    - WMenuItem: fix a crashbug
    - Dbo MySQL backend: fix connect interface + fix test cases (floats also have sometimes unexpected types in responses)
    - allow HTML5 history to process state-pop's from a previous session