Rework configuration to it's own package and make it available to web server. Start a template driven web interface.

config/config.go

@@ -0,0 +1,13 @@
+package config
+
+// Config for the application
+var Config struct {
+	WebHookURL  string
+	Path        string
+	Watch       int
+	Username    string
+	NoWatermark bool
+	Exclude     string
+}
+
+const CurrentVersion string = "0.6"