Freeze JustWifi library to 2.0.0

code/platformio.ini

@@ -64,7 +64,7 @@ lib_deps =
     https://bitbucket.org/xoseperez/fauxmoesp.git#2.4.2
     https://github.com/xoseperez/hlw8012.git#1.1.0
     https://github.com/markszabo/IRremoteESP8266#v2.2.0
-    https://github.com/xoseperez/justwifi.git#v2
+    https://github.com/xoseperez/justwifi.git#2.0.0
     https://github.com/madpilot/mDNSResolver#4cfcda1
     https://github.com/xoseperez/my92xx#3.0.1
     https://bitbucket.org/xoseperez/nofuss.git#0.2.5