create-all profile and add simple avatar.
1.create-all profile;
2.add simple avatar, using avatar.gsp & avatarshow.gsp and avatar & avatarshow action.
1.add compile ":hd-image-utils:1.0" for avatar;
2.add simple avatar example include avatarshow.gsp, profile related;
3.add baidu map show.
add gpsLongitude and gpsLatitude to ShiroUser.groovy. and shiroUser/index.gsp display nearby user.
BookController.groovy index show the book that nearby user owned .
fix the book/show.gsp null error.