Fixed the text field problem in new_user_login.xml

1. Fixed the text field problem in activity_new_user_login.xml
2. Changed Relative Layout to Linear Layout on this page
3. Give every Edit text and Text view an id name following format
txtFirstname, editxtFirstname
Fixed text field problem in new_user_login.xml

1. Fixed text field problem in new_user_login.xml
2. Change Relative Layout to Linear Layout