FindQt4: Add INTERFACE includes and defines to Qt4 targets
Merge topic 'qt4-target-depends' into next

c8ee07d FindQt4: Add INTERFACE includes and defines to Qt4 targets
Add the target_include_directories command.

This is a convenience API to populate the corresponding properties.
Add the target_compile_definitions command.

This is a convenience API to populate the corresponding properties.
Merge topic 'target-includes-defines-commands' into next

fc61a7a Add the target_compile_definitions command.
8a37ebe Add the target_include_directories command.