Evas textblock: Use macros for the unicode chars/strings.
Evas textblock: Use macros for the unicode chars/strings.

1. Make Obj replacement and Par Sep less confusing.
2. We'll may, at some point, use the Unicode NewLine char instead of \n.
so it's now easily replaceable.

git-svn-id: 6d771e449150288cc513807b7f4d2af31e9482bd@66255 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33

TizenChameleon/uifw-evas,TizenChameleon/evas,TizenChameleon/evas,TizenChameleon/uifw-evas,TizenChameleon/evas,TizenChameleon/uifw-evas,TizenChameleon/uifw-evas,TizenChameleon/evas