fix formatting
handle zero values in GPS coordinates and altitude
bump version
Merge branch 'release-0_2_2'
added COPYING
reorganize directory structure
update license headers and fix Makefile
fix date
update UI and refactor import code

Now for processing EXIF tags used exifread package. Also added support
for recursive directory traversal and appending data to existing
shapefile.
handle photos with empty GPS tags
save checkboxes state in settings
load result to QGIS when requested
drop old code and files, fix Qt project file
fix formatting and forgotten variable names
log skipped files
update style
add check to prevent possible issues with uninitialized GPSImgDirection
tag
remove COPYING file as license information available in sources
bump version and mark plugin as experimental
update metadata
update README
merge two strings into one