Update to e-g 0.7.0 (#31)

Author: rfuest

Cargo.toml

@@ -22,14 +22,12 @@ circle-ci = { repository = "embedded-graphics/simulator", branch = "master" }
 [dependencies]
 image = "0.23.0"
 base64 = "0.13.0"
+embedded-graphics = "0.7.0"
 
 [dependencies.sdl2]
 version = "0.32.2"
 optional = true
 
-[dependencies.embedded-graphics]
-version = "0.7.0-beta.1"
-
 [features]
 default = [ "with-sdl" ]
 fixed_point = [ "embedded-graphics/fixed_point" ]