refactoring

added __main__.py (in progress)
added option to load center pixel automatically

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

utils.py added loadIcon()
mapvisualization.py implemented MapCanvas loading activity bar

TimeSeriesTableView context menu allows to check/uncheck selected rows and to hide/show the related observations
TimeSeriesTableView context menu allows to copy values of selected cells to the clipboard

added TimeSeriesTableView, started to implement contextMenu...

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

changed test sets
added timeseriesviewer/i18n folder (from PluginBuilder)

VirtualRasterBuilder: added removeVirtualBands(), addVirtualBand(), insertVirtualBand(), addFilesAsStack(), addFilesAsMosaic(), improvements to saveVRT()

updated QGIS Plugin metadata

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

added sigShowVectorOverlay and sigRemoveVectorOverlay

MapCanvas.setRenderer(renderer) handles QgsRasterRenderer and QgsFeaturerRendererV2