Several changes:

    - validators did not remove all group-separators
    - added a onethread example (for legacy applications)
    - fix issues in WTableView in presence of row headers
    - fix missing session in From and ToAny actions causing error when modifying an underlying ptr object in setValue()
    - fix null ptr handling in left joins to really return a dbo null pointer (Bruce Toll)
    - fix several issues in dbo test cases (Bruce Toll)
    - fix dbo tests with clang and cxx11
    - build ISAPI also when making shared libs
    - fix alignment of lineedit in table cell w. border-box
    - fixed random detection for mingw bis
    - fixed typo in WAbstractMedia::pause (2596)