Revert "Make GC-CacheDownloader use the new login"

This reverts commit 99ae7567d67ddd08b06c96b5adf0a4c80babe317.
Revert "Remove unused method get_user_token"

This reverts commit d54441d6fd309f5bafc317170363a2e664a9d987.
Revert "Username and password handling moved from downloader to cachedownloader. Rename _parse to __read_document for cachedownloader"

This reverts commit e11739e563b641c72cf5b3dbb8cf25eb177dfc88.
Revert "parse_cache_page(_print) is now marked private, as it should be."

This reverts commit 18043b45f0c8bc80862a3adaaa04b56303491e34.
Update: Cachedownloader version 35 (2013-08-27)
parse_cache_page(_print) is now marked private, as it should be.

Conflicts (fixed):
	advancedcaching/cachedownloader.py
Remove unused method get_user_token