MAINT: Put dependencies in an easier to overview block in Cargo.toml

Author: bluss

Cargo.toml

@@ -23,28 +23,16 @@ name = "ndarray"
 bench = false
 test = true
 
-[dependencies.num-traits]
-version = "0.1.32"
-default-features = false
-
-[dependencies.num-complex]
-version = "0.1.32"
-default-features = false
-
-[dependencies.rustc-serialize]
-version = "0.3.20"
-optional = true
-
 [dependencies]
+num-traits = { version = "0.1.32", default-features = false }
+num-complex = { version = "0.1.32", default-features = false }
+rustc-serialize = { version = "0.3.20", optional = true }
 itertools = { version = "0.7.0", default-features = false }
 # Use via the `blas` crate feature!
 blas-sys = { version = "0.6.5", optional = true, default-features = false }
 matrixmultiply = { version = "0.1.13" }
-
-[dependencies.serde]
 # Use via the `serde-1` crate feature!
-version = "1.0"
-optional = true
+serde = { version = "1.0", optional = true }
 
 [dev-dependencies]
 defmac = "0.1"