Add basic cmake build instructions. Rework of the README file. Some cosmetics. Signed-off-by: gregory guy <gregory-tde@laposte.net>
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/libraries/libkexiv2@1076314 283d02a7-25f6-0310-bc7c-ecb5cbfe19da