* increment version to 1.2.1

* CHANGESLOG.txt updated

Revert "Set QT5 dependency in build script"

Improve end-user feedback for --nojackportsconnect in hub server mode

Set QT5 dependency in build script

build in a subdirectory

Updated build script to select QT5 build tools when 4 and 5 are installed.

Fix for hubserver failure with concurrent connections

to receive new ones. This was causing it to fail when more than 1
client connected to a hub server at the same time.

Also bumping pthreads limit -- this was tested at scale of 500 with no issues

Honour custom client names

Co-authored-by: ntonnaett <nils.tonnaett@posteo.de>

Chris

Tiny formatting fix

* fix osx travis build

Reupload of a partial fix for #73 to isolate them from the more substantial changes that have since occurred in my branch.

Removed extra space after CCRMA link, following the formatting of the other links.

Fix OSX defines in UdpDataProtocol

Removed an extra _ in a couple of defines.

added peer address to UDP waiting too long

        /*
         * version skew? testing without this line
        //Make sure we don't start sending packets too soon.
        QThread::msleep(100);
        */

* help end-users to spot the option that they need to disable hub auto patch
* feed back better information when running with this option

* travis test

* add master branch

* travis fixes

* travis update

* travis update

* travis update

* travis update

* travis update

* travis update

* travis update

* travis update

* travis update

* travis update

* travis update

* travis update

* travis update

* add atomic header

* travis update

* travis update

* travis update

* travis update

* travis update

* travis update

* travis update

* travis update

* remove unnecessary change

* remove unnecessary change

* Update .travis.yml

reverted a change to UdpDataProtocol.cpp, jacktrip used to give a cle…

reverted a change to UdpDataProtocol.cpp, jacktrip used to give a clear error message when a client connection attempt fails due to a mismatch between the client's buffer size in jack and the setting on the server side.  This message is now missing--the connection attempt fails silently.