Merge "Add ENABLE_SHIFT_SELECTION property" into devel/master

diff --cc automated-tests/src/dali-toolkit/utc-Dali-TextEditor.cpp
Simple merge

diff --cc automated-tests/src/dali-toolkit/utc-Dali-TextField.cpp
Simple merge

diff --cc dali-toolkit/devel-api/file.list
Simple merge

diff --cc dali-toolkit/internal/text/text-controller-impl.cpp
Simple merge

diff --cc dali-toolkit/internal/text/text-controller.cpp
Simple merge