Changes: Adds a hint to the label's documentation regarding long text
Changes: Adds a hint to the label's documentation regarding long text

RevBy: Dirk-Jan C. Binnema

Details:
When the text is considerably large, like a 30000 character word, the
performance of the label might not be optimal nor is it intended for
such usage. So, this patch adds a notice about this to the label's
guidelines in its documentation.

nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch