Various patches are applied

Various patches are applied

Patch 5
    Ignore if the font size is changed.

Patch 4
    If a user didn't set the target Id.

Patch 3
    Use the anonymous target Id.

Patch 2
    First try to use "part" name.
    If it is already in use, try to use timestamp value.

Patch 1
    Revise the code.

    There is one missing code.
    Which is releasing parent evas object rectangle.

    While unloading an EDJE object,
    I should delete the parent rectangle object too.

Change-Id: Ia5257f6294f9f2be46734509303d633e3d4c7cf4