Add four examples

#1 simple widget + OApplicationFactory + qmake usage explained
#2 simple icons   + usage of Resource and playing of sounds
#3 simple main   + Toolbar + MenuBar IconSets and QActions explained
#4 main tab     + Usage of OTabWidget and QSignals with parameters disconnect and connect

TODO
#5 PIM loading   and viewing
#6 PIM qcop   + usage of QCOP

BuildSystem integration

1 files changed, 38 insertions, 0 deletions

diff --git a/examples/COMMON_ERRORS b/examples/COMMON_ERRORS
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+A List of common compile errors
+
+Error:
+/simple.o simple.cpp
+make: *** Keine Regel vorhanden, um das Target ».moc//moc_simple.cpp«,
+
+Answer: There is only a rule for ./moc/$PLATFORM/moc_simple.cpp your platform
+leading to a double slash. Set $PLATFORM and run qmake again
+
+Error:
+Assembler messages:
+FATAL: can't create .obj/obj/simple.o: Datei oder Verzeichnis nicht gefunden
+make: *** [.obj/obj/simple.o] Unterbrechung
+
+Answer: you forgot to run qmake after setting $PLATFORM
+
+
+Error:
+/obj/simple.o simple.cpp
+/home/ich/programming/opie/head/opie/include/opie/oapplicationfactory.h: In
+	   member function `QWidget*
+	   OApplicationFactory<Product>::createMainWindow(const QString&, QWidget*,
+           const char*, unsigned int) [with Product = MainWindow]':
+	   /home/ich/programming/opie/head/qt-cvs/include/qvaluelist.h:27:   instantiated from here
+	   /home/ich/programming/opie/head/opie/include/opie/oapplicationfactory.h:100: error: '
+	   class MainWindow' has no member named 'appName'
+	   /home/ich/programming/opie/head/opie/include/opie/oapplicationfactory.h: In
+	   member function `QStringList OApplicationFactory<Product>::applications()
+	   const [with Product = MainWindow]':
+	   /home/ich/programming/opie/head/qt-cvs/include/qvaluelist.h:27:   instantiated from here
+	   /home/ich/programming/opie/head/opie/include/opie/oapplicationfactory.h:108: error: '
+	   class MainWindow' has no member named 'appName'
+	   make: *** [.obj/obj/simple.o] Fehler 1
+
+Answer: gcc loves to spit out long compiler errors for template. the problem is that oapplication factory
+wants to call a static method called appName() on your widget. You need to add static QString appName()
+and return the name of the executable
+