BLVI (8.34) Fix send locks in SocketBidiAsciiCommunicator.
Merge remote-tracking branch 'auto+dls_sw+i06+software+gda_versions+gda_8.34b+workspace_git/8.34' into 8.34

Conflicts:
	uk.ac.gda.core/src/gda/io/socket/SocketBidiAsciiCommunicator.java
Merge remote branch
'auto+dls_sw+i06+software+gda_versions+gda_8.34b+workspace_git/8.34'
into 8.34

Conflicts:
	uk.ac.gda.core/src/gda/io/socket/SocketBidiAsciiCommunicator.java
Merge remote branch 'origin/8.34' into 8.34

Conflicts:
	uk.ac.gda.core/src/gda/io/socket/SocketBidiAsciiCommunicator.java