mention #125

/close #126

/close #121

/close #135

/close #132
/close #130

/close #134

And show a warning if a user logs in with one of them.

/close #114

ref #113

ref #94

/close #53

This enables to generate both AStA-style and FS-style (and in theory
other) protocols.
/close #88

/close #87

/close #104

This adds default values to default metadata and the option to set it
before compiling the protocol (i.e. while planning to TO).
Additionally, the (dynamic) metadata fields are handled correctly in the
ProtocolForm and metadata is shown while still planning.
Additionally, protocol.start_time is used instead of
protocoltype.usual_time.

/close #47
/close #65
/close #106

Does not work.

ref #107

/close #89

/close #92

/close #98

/close #99
/close #91

/close #81

/close #82

/close #80

/close #79

/close #77

/close #64

Categories can be set per protocoltype.
They are specified as another semicolon-separated argument to
[beschluss;…].
Decisions can be search for their category.
/close #53

/close #46

/close #52