Remove support for tags, also remove the tags column from the member table.
Drop malicious_proof table
Further removal of malicious behaviour detection code.
Drop the malicious undo blacklisting from check_undo, just keep one of
the messages, and send the message back to the sender in case we are
keeping a different one.
Remove must_store attrs.
Remove obsoleted tests and fix the failing ones
Merge pull request #230 from whirm/flags_cleanup

Remove support for tags, also remove the tags column from the member table
Implement Community.get_member() and refactor the code using it.
ignore flycheck temp files
Accept any iterable in convert_packets_to_messages
Remove unnecessary checks
Refactor _decode_double_member_authentication to remove the signature
reordering for loop and some duplicate code.
This import is not needed
Fetch the private key instead, this way the member constructor won't do
a second query to look for it.
Merge pull request #233 from whirm/get_member_refactor

Get member refactor
Rewrote most unit-tests, still need a lot of cleanup. 
- Removed legacy code from dispersy
- Removed crazy if __debug__ imports
Fix for test_bootstrap error did not show up in windows
Next one
Actually test batching, reverted removal of test_identicalpayload
Made assert_is_stored methods to prevent all unittests writing their own
sql statements