Merge "APIs for text editor." into devel/master

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

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

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

diff --cc dali-toolkit/internal/text/layouts/layout-engine.cpp
Simple merge

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

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

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