fix some test regression caused (presumably) by changes of persona.org
fixes are ugly and need further work
fix regression: make creating new accounts work again
ignore thesis autosave files
add proxy for my university connection
persona orig file doesn't work anymore
updated various gems
all tests pass
automatically create new accounts for new email addresses
test logouts
code cleanup

removed code not needed after I changed the new user login proccess
remove unused code
linking email addresses
code refactoring
secondary login
avoid logout loop

do not execute the logout callback if the user is already logged out
this should not be needed but unesplicably persona calls it
and as this triggers a page reload it end up in an infinite loop
authorization

basic authorization of pages and arguments handling with cancan