GUI with Tempo Manipulation

A new member variable has been added called tempoScale as well as a new
function called changeTempoScale.  This function is also bound to the
tempo changing widget, so that it can be manipulated from the GUI.
Merge branch 'master' of https://github.com/BrainComputationLab/MUSE

Conflicts:
	build-MUSE-Desktop_Qt_5_1_1_MSVC2012_64bit-Debug/Makefile
	build-MUSE-Desktop_Qt_5_1_1_MSVC2012_64bit-Debug/Makefile.Debug
	build-MUSE-Desktop_Qt_5_1_1_MSVC2012_64bit-Debug/Makefile.Release
	build-MUSE-Desktop_Qt_5_1_1_MSVC2012_64bit-Debug/debug/MUSE.ilk
	build-MUSE-Desktop_Qt_5_1_1_MSVC2012_64bit-Debug/debug/MUSE.pdb
	build-MUSE-Desktop_Qt_5_1_1_MSVC2012_64bit-Debug/vc110.pdb
	workingmidiplayer/jdksmidi-master/jdksmidi-master/build/vs2010/Debug/vc110.pdb
	workingmidiplayer/jdksmidi-master/jdksmidi-master/build/vs2010/jdksmidi.sdf
	workingmidiplayer/jdksmidi-master/jdksmidi-master/build/vs2010/jdksmidi.v11.suo
	workingmidiplayer/jdksmidi-master/jdksmidi-master/build/vs2010/x64/Debug/CL.read.1.tlog
	workingmidiplayer/jdksmidi-master/jdksmidi-master/build/vs2010/x64/Debug/CL.write.1.tlog
	workingmidiplayer/jdksmidi-master/jdksmidi-master/build/vs2010/x64/Debug/Lib-link.write.1.tlog
	workingmidiplayer/jdksmidi-master/jdksmidi-master/build/vs2010/x64/Debug/Lib.read.1.tlog
	workingmidiplayer/jdksmidi-master/jdksmidi-master/build/vs2010/x64/Debug/cl.command.1.tlog
	workingmidiplayer/jdksmidi-master/jdksmidi-master/build/vs2010/x64/Debug/jdksmidi.log

GUI with Tempo Manipulation