Merge branch 'demo2' of https://github.com/theupdateframework/tuf into demo2
Merge branch 'demo2' of https://github.com/theupdateframework/tuf into demo2
Merge branch 'demo2', remote-tracking branch 'upstream/demo2' into demo2
Merge branch 'demo2', remote-tracking branch 'upstream/demo2' into demo2
Fix test_delegations.py
Made changes that ensure it raises correct exception based on the refactored version of updater.py and download.py
Merge remote-tracking branch 'upstream/demo2' into demo2
test_mix_and_match_attack and test_indefinite_freeze_attack refactory fix
Merge remote-tracking branch 'origin/demo2' into demo2
indention fix
util_test_tools.init_repo parameter fix
Merge branch 'demo2' of https://github.com/theupdateframework/tuf into demo2
Update test_util_test_tools.py following change to util_test_tools.init_repo()

A util_test_tools.init_repo() parameter name was changed from 'tuf' to 'using_tuf', however, test_util_test_tools was not updated following the name change.
fetch upstream
Merge remote-tracking branch 'upstream/demo2' into demo2
fix of connection refused
Update key size comments for rsa_key.py & signerlib.py - issue #112
Merge branch 'demo2' of https://github.com/zhengyuyu/tuf into zhengyuyu-demo2
Merge #108.
Merge branch 'demo2' of https://github.com/zanefisher/tuf into zanefisher-demo2
Fix docstring indentation in test_arbitrary_package_attack.py