Add support adding/deleting/attaching/removing goals (launchdarkly-la…

…bs#5)

Also DRY stuff up.
Add json output.
Allow custom EDITOR.

Gopkg.toml

@@ -0,0 +1,57 @@
+# Gopkg.toml example
+#
+# Refer to https://golang.github.io/dep/docs/Gopkg.toml.html
+# for detailed Gopkg.toml documentation.
+#
+# required = ["github.com/user/thing/cmd/thing"]
+# ignored = ["github.com/user/project/pkgX", "bitbucket.org/user/project/pkgA/pkgY"]
+#
+# [[constraint]]
+#   name = "github.com/user/project"
+#   version = "1.0.0"
+#
+# [[constraint]]
+#   name = "github.com/user/project2"
+#   branch = "dev"
+#   source = "github.com/myfork/project2"
+#
+# [[override]]
+#   name = "github.com/x/y"
+#   version = "2.4.0"
+#
+# [prune]
+#   non-go = false
+#   go-tests = true
+#   unused-packages = true
+
+[[constraint]]
+  name = "github.com/launchdarkly/api-client-go"
+  version = "2.0.13"
+
+[[constraint]]
+  branch = "master"
+  name = "github.com/mattbaird/jsonpatch"
+
+[[constraint]]
+  name = "github.com/mitchellh/go-homedir"
+  version = "1.0.0"
+
+[[constraint]]
+  name = "github.com/olekukonko/tablewriter"
+  version = "0.0.1"
+
+[[constraint]]
+  name = "github.com/spf13/cobra"
+  version = "0.0.3"
+
+[[constraint]]
+  name = "github.com/spf13/pflag"
+  version = "1.0.3"
+
+[[constraint]]
+  name = "github.com/spf13/viper"
+  version = "1.3.1"
+
+[prune]
+  go-tests = true
+  unused-packages = true