Profile now loads from backend

- can update profile from app
- loads profile details from backend to display
- changed inputValidator to use andriod phone pattern
- added ErrorResponse so we can fetch error messages from the backend
- Added UserDTO to get profile info

TODO:
Still need to get profile images from the backend and beable to load and update them using the backend

android/.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+  </component>
+</project>