v0.2.6: Add support for target

This includes (very) partial support for v2.4 docker-compose.yml files.

Author: emk

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "cage"
-version = "0.2.5"
+version = "0.2.6"
 authors = ["Eric Kidd <[email protected]>",
            "Derek Kastner <[email protected]>"]
 
@@ -45,7 +45,7 @@ boondock = { version = "0.0.49", default-features = false }
 clap = { version = "2.14", features = ["yaml"] }
 clippy = { version = "0.0.*", optional = true }
 colored = "1.3"
-compose_yml = "0.0.52"
+compose_yml = "0.0.54"
 env_logger = "0.4"
 error-chain = "0.5"
 glob = "0.2"