added doxygen comments.
fixed compile error on Qt5.0/MinGW.
modified for changes of Qt5 specifications.
Merge branch 'master' of github.com:treefrogframework/treefrog-framework
added doxygen comments.
updated the project file, corelib.pro.
fix a bug of event handling on Windows.
updated Doxyfile.
Merge branch 'master' of github.com:treefrogframework/treefrog-framework
fix error in writing.
updated the configure script.
updated appbase.pri file.
modified howto get all process IDs.
modified a keyword of database.ini.
updated the test header file for Qt5.
Merge branch 'master' of github.com:treefrogframework/treefrog-framework
updated debug prints.
updated project file.
rename a method name, setSort() -> setSortOrder().
fix compile warnings