Timestamps on apps / routes (#614)

* route updated_at

* add app created at, fix some route updated_at bugs

* add app updated_at

TODO need to add tests through front end
TODO for validation we don't really want to use the validate wrapper since
it's a programmer error and not a user error, hopefully tests block this.

* add tests for timestamps to exist / change on apps&routes

* route equals at done, fix tests wit dis

* fix up the equals sugar

* add swagger

* fix rebase

* precisely allocate maps in clone

* vetted

* meh

* fix api tests

api/models/config.go

@@ -14,6 +14,19 @@ func (c *Config) Validate() error {
 	return nil
 }
 
+func (c1 Config) Equals(c2 Config) bool {
+	if len(c1) != len(c2) {
+		return false
+	}
+	for k1, v1 := range c1 {
+		v2, _ := c2[k1]
+		if v1 != v2 {
+			return false
+		}
+	}
+	return true
+}
+
 // implements sql.Valuer, returning a string
 func (c Config) Value() (driver.Value, error) {
 	if len(c) < 1 {
@@ -56,6 +69,24 @@ func (c *Config) Scan(value interface{}) error {
 // Headers is an http.Header that implements additional methods.
 type Headers http.Header
 
+func (h1 Headers) Equals(h2 Headers) bool {
+	if len(h1) != len(h2) {
+		return false
+	}
+	for k1, v1s := range h1 {
+		v2s, _ := h2[k1]
+		if len(v2s) != len(v1s) {
+			return false
+		}
+		for i, v1 := range v1s {
+			if v2s[i] != v1 {
+				return false
+			}
+		}
+	}
+	return true
+}
+
 // implements sql.Valuer, returning a string
 func (h Headers) Value() (driver.Value, error) {
 	if len(h) < 1 {