added # -*- coding: uft-8 -*-   and  # noinspection PyPep8Naming to each module
added GPL License statement to each module
added from __future__ import absolute_import to each module

SensorPlotStyle get restored
PixelLoader.py: CRS transformation in pure GDAL due to problems with QgsCoordinateTransformation in non-main thread
utils.geo2px() now casts geo2pxF coordinates to integer (instead of rounding them)

added SensorPixelDataMemoryLayer

added PixelLoaderResult(object)
adjusted TSV icon
changed test_pixelloader.py

moved loadUIFormClass(jp(DIR_UI, p)) to utils.py and (yessss!) removed an error occurred with newline character in *.ui inline HTML

widget "under construction" will not be shown to the user

fixed smaller bug in pixelloader

use QTimer with 2000ms timeout interval to update on plot changes

added DateTimeViewBox
implemented sigMoveToDate, sigMoveToTSD and related context menu

PixelLoadWorker always returns 3D stack

implemented  DateAxis logic
renamed PlotDataItem to SensorPoints
renamed PixelCollection.clear() to PixelCollection.clearPixels()
PlotSettingsModel signals sigVisibilityChanged  and sigDataChanged
date2num and num2date for (almost) consistent conversions between numpy.datetime64 and integers

DateAxis
ProfilePoint
test cases