News: spock logging; Bluesky at DESY; monitoring attributes

spock logging: to enable the loggin of macros and their printouts, see here
```
 
senv LogMacro True
senv LogMacroDir /home/p99user/spock_session_log
senv LogMacroMode False
```
LogMacroMode selects whther a new log file is created for every session.
Bluesky at DESY: Bluesky has been created at NSLS-2 and is now used at various places. It is currently being evaluated as the common user interface for the institutes participating in ROCK-IT. And it is also a candidate for the Petra-4 user interfaces.
Some information about the work which has been carried out so far can be found here: here
Next steps: develope controller to standardize hardware access (Jan Meyer), try to implement a hook-like feature and develope our own 'plans'.
monitoring attributes:
- use taurus trend, e.g.
```
 
taurus trend p09/vcexecutor/eh.01/Counts
```
  Details can be found here
- use TngMonitorAttra3.py (requested by P22), e.g. TngMonitorAttrs3.py p09/vcexecutor/eh.01/Counts
  Details can be found here