Add matchLangIP method and primitive

Signed-off-by: Scott Wilson <i@scottwilson.ca>
Add isLocal method to NetAddr

Signed-off-by: Scott Wilson <i@scottwilson.ca>
classlib: Server uses NetAddr:isLocal to detect local

Signed-off-by: Scott Wilson <i@scottwilson.ca>
scdoc: minor correction to Dshuf new argument - should be repeats and not length
Minor enhancements after first rewrite

- Trying to be more balanced in version comparison.
- recommend supernova
- mention svn
- cosmetical stuff
Merge pull request #1002 from redFrik/patch-5

scdoc: minor correction to Dshuf new argument - should be repeats and no...
Merge pull request #1003 from bagong/patch-2

Minor enhancements after first rewrite
class library: monitor: convert fade time argument if necessary
class library: monitor: remove duplicate treatment of multiple channels
class library: monitor: clean up comments
class lib: NetAddr:matches uses isLocal

Signed-off-by: Scott Wilson <i@scottwilson.ca>
Merge pull request #998 from supercollider/matchLangIP

- Add matchLangIP method and primitive
- Add isLocal method and use it in Server and NetAddr:matches
fix build error (for some compilers) due to missing include
update package script for file locations
(cherry picked from commit 511a0c8c04cfc7ef406c06a8b2c187aade88ac41)
update packaging script for post-3.6 file moves
class library: NetAddr matches: more efficient order of tests