update readme

Author: lots0logs

README.md

@@ -24,16 +24,16 @@
 
 #### How To Build
 ```sh
-cd /tmp
-git clone https://github.com/Antergos/lightdm-webkit2-greeter.git greeter
-cd greeter
+git clone https://github.com/Antergos/lightdm-webkit2-greeter.git /tmp/greeter
+cd /tmp/greeter
+git checkout ${LATEST_RELEASE_TAG} # eg. git checkout 2.1.4
 ./autogen.sh --prefix=/usr
 make
 ```
 
 #### How To Install
 ```sh
-sudo make install --prefix=/usr
+sudo make install
 ```
 
 ## Theme JavaScript API:

themes/_vendor/js/mock.js

@@ -95,6 +95,7 @@ class LightDMSession  {
 }
 
 
+
 /**
  * Interface for object that holds info about a language on this system. Language objects are not
  * created by the theme's code, but rather by the {@link LightDMGreeter} class.