Add dep as a dependency manager

.gitignore

@@ -3,6 +3,9 @@
 *.a
 *.so
 
+# Don't check in vendor
+vendor/
+
 # Folders
 _obj
 _test

Gopkg.toml

@@ -0,0 +1,46 @@
+# Gopkg.toml example
+#
+# Refer to https://github.com/golang/dep/blob/master/docs/Gopkg.toml.md
+# 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/fatih/structs"
+  version = "1.0.0"
+
+[[constraint]]
+  branch = "master"
+  name = "github.com/google/go-querystring"
+
+[[constraint]]
+  name = "github.com/pkg/errors"
+  version = "0.8.0"
+
+[[constraint]]
+  name = "github.com/trivago/tgo"
+  version = "1.0.1"
+
+[prune]
+  go-tests = true
+  unused-packages = true

README.md

@@ -265,6 +265,12 @@ A few examples:
 
 If you are new to pull requests, checkout [Collaborating on projects using issues and pull requests / Creating a pull request](https://help.github.com/articles/creating-a-pull-request/).
 
+### Dependency management
+
+`go-jira` uses `dep` for dependency management.  After cloning the repo, it's easy to make sure you have the correct dependencies by running `dep ensure`.
+
+For adding new dependencies, updating dependencies, and other operations, the [Daily Dep](https://golang.github.io/dep/docs/daily-dep.html) is a good place to start.
+
 ## License
 
 This project is released under the terms of the [MIT license](http://en.wikipedia.org/wiki/MIT_License).