add 'raw_uri' built-in variable for original request URI but without arguments
add 'raw_uri' built-in variable for original request URI but without arguments
add test cases for the new  built-in variable
Merge branch 'master' of github.com:flygoast/tengine
add raw_uri variable assignment in subrequest
Merge pull request #324 from flygoast/master

add 'raw_uri' built-in variable for original request URI but without arguments.