remove bitrot, update and set versions of all deps, notably gfx & nalgebra

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "vrtue"
 version = "0.1.0"
-authors = ["Jared Roberts <jaredr@gmail.com>"]
+authors = ["Jared Burce <jaredr@gmail.com>"]
 
 [dependencies]
 env_logger = "0.3"
@@ -9,17 +9,16 @@ itertools = ">=0.4"
 log = "0.3"
 memmap = "~0.2"
 
-gl = "*"
-gfx = "*"
-gfx_device_gl = "*"
-image = "*"
-lzw = "*"
-nalgebra = "*"
-num-traits = "*"
-openvr = { git = "https://github.com/rust-openvr/rust-openvr" }
-openvr_sys = "*"
-piston = "*"
-piston_window = "*"
+gl = "0.10"
+gfx = "0.17"
+gfx_device_gl = "0.15"
+image = "0.19"
+lzw = "0.10"
+nalgebra = "0.16"
+openvr = "0.5"
+openvr_sys = "2"
+piston = "0.37"
+piston_window = "0.80"
 
 [profile.release]
 lto = true