overload init function, ignore too short alias

Author: chavee

AuthClient.cpp

@@ -192,7 +192,8 @@ int AuthClient::getGearToken(char mode, char* token, char* tokensecret, char* en
         strcat(buff,scope);
 
         verifier[0] = '\0';
-        if (gearalias) {
+        // oauth verifier must longer tahn 2 characters
+        if (strlen(gearalias)>2) {
             strcat(verifier,gearalias);
         }
         else {

MicroGear.cpp

@@ -500,6 +500,14 @@ void MicroGear::chat(char* targetgear, char* message) {
     mqttclient->publish(top, message);
 }
 
+int MicroGear::init(char* gearkey,char* gearsecret) {
+    init(gearkey,gearsecret,"","");
+}
+
+int MicroGear::init(char* gearkey,char* gearsecret,char* gearalias) {
+    init(gearkey,gearsecret,gearalias,"");
+}
+
 int MicroGear::init(char* gearkey,char* gearsecret,char* gearalias, char* scope) {
     //this->gearid = gearkey;
     this->gearkey = gearkey;

MicroGear.h

@@ -111,6 +111,8 @@ class MicroGear {
 		void loop();
         void resetToken();
         void setToken(char*, char*, char*);
+        int init(char*, char*);
+        int init(char*, char*, char*);
         int init(char*, char*, char*, char*);
 		void strcat(char*, char*);
 		void on(unsigned char,void (* callback)(char*, uint8_t*,unsigned int));