Add update check, upgrade dependencies and format code and change ver

l18n.go

@@ -13,6 +13,8 @@ var enGB = map[string]string{ // British English
 	"send":                                  "Send",
 	"error":                                 "Error",
 	"close":                                 "Close",
+	"yes":                                   "Yes",
+	"no":                                    "No",
 	"userRequested":                         "User requested",
 	"configResourceEmptyWarning":            "Config resource is empty! Generating a random one",
 	"attention":                             "Attention",
@@ -61,15 +63,15 @@ var enGB = map[string]string{ // British English
 
 	// gtk-message.go
 
-	"unsupportedMessage": "Unsupported message.",
-	"bannedWidget":       " has been banned by ",
+	"unsupportedMessage":  "Unsupported message.",
+	"bannedWidget":        " has been banned by ",
 	"bannedWidgetNoActor": "has been banned",
-	"readWidget":         " has read to this point",
-	"isTyping":           " is typing...",
-	"whispers":           " whispers",
-	"noBodySet":          "No body set",
-	"affilChange":        "'s affiliation has been changed to ",
-	"linkPreviewWarning": "This link preview was generated by the client sending it and may not be accurate of the actual website content",
+	"readWidget":          " has read to this point",
+	"isTyping":            " is typing...",
+	"whispers":            " whispers",
+	"noBodySet":           "No body set",
+	"affilChange":         "'s affiliation has been changed to ",
+	"linkPreviewWarning":  "This link preview was generated by the client sending it and may not be accurate of the actual website content",
 
 	// gtk-helpers.go
 
@@ -87,6 +89,7 @@ var enGB = map[string]string{ // British English
 	"gettingVersion":      "Getting version...",
 	"connectedWithRole":   "Connected with role ",
 	"affiliatedAs":        "Affiliated as ",
+	"unaffiliated":        "Unaffiliated",
 	"participants":        "participant(s)",
 	"versionQueryEmpty":   "Client responded with empty version",
 	"versionQueryError":   "Got error trying to get version",
@@ -99,6 +102,17 @@ var enGB = map[string]string{ // British English
 	"SINicknameLabel":        "Nickname: ",
 	"SIInsecureLabel":        "Insecure: (?)",
 	"SIInsecureLabelTooltip": "Tick this if you need to connect without TLS, usually for connecting to Tor XMPP servers",
+
+	// gtk-update.go
+	"updateAvailable":  "Dear user, there's an update available!!",
+	"versionAvailable": "Version %d is available now.",
+	"seeSite":          "See website",
+
+	"updateCheck":   "Check for updates",
+	"updateWarning": "Lambda can contact a server in order to check if your version is out of date.\nNo information other than your IP address will be collected.",
+	"updateSave":    "Lambda %s check the upstream server for updates. You can change this at any time via preferences.",
+	"updateWill":    "will",
+	"updateWont":    "won't",
 }
 
 var kaGE = map[string]string{ // Georgian (Georgia)