Update GUI-Layout-Management.schelp

I added example about the question why a UserView might not show up in a Layout.
import boost-1.55
boost: spsc_queue - merge fixes from boost trunk
Disable AppNap in QtCollider, sclang, and scsynth
Add files I forgot to add in the initial commit.
Remove debug printf()s.
plugins: EnvGen - initialize level of initial \hold segments

Fixes: #1027

Signed-off-by: Tim Blechmann <tim@klingt.org>
class library: Env#*step easier creation of step envelopes

Simplifies the creation of envelopes that only contain \env segments, in which case only the same number of levels as times are needed in order to fully specify the envelope.
Merge pull request #1039 from miguel-negrao/master

class library: Env#*step easier creation of step envelopes
Classlib: Change NetAddr's default port to nil

This makes it easier to create a NetAddr to match any port from a given IP.
Merge pull request #1040 from jamshark70/topic/NetAddr-default-port

Classlib: Change NetAddr's default port to nil
Classlib: fixed PatternProxy constrainStream so defaultQuant works
Merge pull request #1043 from d0kt0r0/master

Classlib: fixed PatternProxy constrainStream so defaultQuant works
NRT rendering: remove fixed 8192-byte limit for messages (thanks rd--)
fix regression in Object.dup(array), thanks Nao and Julian
fix bug in binary operator ring4 - thanks Nao Yonamine
syntax highlight and allow running code from schelp files
Merge pull request #1052 from miguel-negrao/master

syntax highlight and allow running code while editing schelp files in a document window
lang: Fix memory corruption bug introduced in commit ac613331d5062bcd1aebc25e03c7f321296c4110

- shifts from pre to post increment/decrement created a subtle bug

Signed-off-by: Scott Wilson <i@scottwilson.ca>
class library: patterns: remove unnecessary cleanup arguments