Unify logging in vnc/*

[aquesnel]

Follow-on pull request to #1633 which migrates all logging in the vnc directory to use the LOG() and LOG_DEVEL() macros.

Changes:

• Migrate logging to the LOG() and LOG_DEVEL() macros (using text transform script)
• error logs use the LOG macro
• update code formatting with astyle for all files in xrdp/*

[matt335672]

Excellent work as ever. Two minor comments.

[aquesnel]

@matt335672 I've implemented the feedback, let me know if anything else needs to be changed before this can be merged.