dropbox -> access_token in query (better support)

Signed-off-by: Arnaud Richard <a.richard@webshell.io>
/request url decode for oauth1

Signed-off-by: Arnaud Richard <a.richard@webshell.io>
fix request google

Signed-off-by: Arnaud Richard <a.richard@webshell.io>
/request options for cors

Signed-off-by: Arnaud Richard <a.richard@webshell.io>

Conflicts:
	plugins/server.request/server_request.coffeetkk

Signed-off-by: Arnaud Richard <a.richard@webshell.io>
/request accept all headers

Signed-off-by: Arnaud Richard <a.richard@webshell.io>
fix custom body in /request

Signed-off-by: Arnaud Richard <a.richard@webshell.io>
add Yahoo provider

Signed-off-by: Arnaud Richard <a.richard@webshell.io>
resize all provider's logo to 32px

Signed-off-by: Arnaud Richard <a.richard@webshell.io>
/request for absolute urls

Signed-off-by: Arnaud Richard <a.richard@webshell.io>
oauth.js: replaceParam for url for CORS http

Signed-off-by: Arnaud Richard <a.richard@webshell.io>