grabbed ViewBox bugfix from pyqtgraph/dev
added sigRemoved signal to Parameter class
Both versions of creating scanner grids are working - new version (called beta in program) still needs work
Merge branch 'develop' of github.com:acq4/acq4 into develop
removed the 'storeSVG' and 'storePNG' buttons from the Canvas gui since they were both broken and redundant with ViewBox's export system
disabled ImageCorrection buttons in MosaicEditor because they currently aren't programmed to do anything
modifies ScannerProtoGui so that both the old grid system and the new grid system(beta) are accessible through the UI
removed 2nd copy of listPoints function from PolyLineROI
fixes/cleanup of mosaic editor and cortexROI code, mosaic editor documentation
start of analysis database documentation
Merge branch 'mosaicEditorCleanup' into develop
Merge remote-tracking branch 'remotes/acq4/develop' into develop

Conflicts:
	acq4/analysis/modules/MosaicEditor/MosaicEditorTemplate.py
	acq4/pyqtgraph/canvas/CanvasTemplate_pyqt.py
	documentation/source/userGuide/analysis/MosaicEditor.rst
Moved acq4.py script to acq4/__main__.py; now we start with python -m acq4
Merge branch 'develop' of github.com:meganbkratz/acq4 into develop
Bugfixes and small cleanups
Cleaned up DAQGeneric Manager interface
Reorganized:
  - __init__ now handles most of what was previously in __main__
  - Manager now handles searching for config files
  - added CONFIGPATH global variable listing candidate search paths
Removed extra Log button from Manager gui
rebuildUi script now accepts path arguments
added innosetup script
cleaned up Manifest.in
experimental changes to setup.py
updated config search path
setup.py install now copies config inside package install location
Avoid unnecessary rebuild of Ni header cache