[evas] Documenting and exemplifying the following:
- evas_object_text_add
- evas_object_text_font_get
- evas_object_text_font_set
- evas_object_text_font_source_get
- evas_object_text_font_source_set
- evas_object_text_glow2_color_get
- evas_object_text_glow2_color_set
- evas_object_text_glow_color_get
- evas_object_text_glow_color_set
- evas_object_text_outline_color_get
- evas_object_text_outline_color_set
- evas_object_text_shadow_color_get
- evas_object_text_shadow_color_set
- evas_object_text_style_get
- evas_object_text_style_set
- evas_object_text_text_get
- evas_object_text_text_set
git-svn-id: svn+ssh://svn.enlightenment.org/var/svn/e/trunk/evas@61012
7cbeb6ba-43b4-40fd-8cce-
4c39aea84d33