Merge remote-tracking branch 'origin/master' into filesystem_v3
not use ISIS_LIB_DEPENDS on linux
use shared_ptr for the nifti header (instead of a plain pointer)
add basic json parser in nifti_sa
fix typo
add option to extract acquisitionNumber / slice position from the filename to PNG
add option to interpret "." as "path seperator" (like in dcmstack/DcmMeta)
specifically detect integers and minor cleanup in nifti_sa/json
tweak interface for flipping and add demuxDcmMetaSlices to distribute slices-properties from DcmMeta to the chunks
in DICOM add fallback for missing number of slices in mosaic
in DICOM add fallback for missing number of slices in mosaic
re-add deps also on linux - automatic resolve didn't always work
move setting of "source" to .loadFile
fix bug in valueIteratorStresstest.cpp
Merge branch 'filesystem_v3'

Conflicts:
	lib/Core/DataStorage/io_factory.cpp
fix build of imageFormat_compressed.cpp
Merge branch 'master' of github.com:DerOrfa/isis

Conflicts:
	lib/ImageIO/imageFormat_compressed.cpp
add support for lzma in imageFormat_compressed
Merge branch 'master' into gmaster
set version to 0.7.6