use boost::filesystem v3
Merge branch 'master' into filesystem_v3

Conflicts:
	lib/ImageIO/imageFormat_compressed.cpp
Merge remote-tracking branch 'origin/master' into filesystem_v3
Merge branch 'master' into filesystem_v3
only have dynamic linked libs ISIS_LIB_DEPENDS
typo fix
Merge branch 'master' of github.com:DerOrfa/isis
Merge branch '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
use boost::filesystem::unique_path for TmpFile
Merge pull request #70 from DerOrfa/filesystem_v3

as debian stable has boost 1.49 now we can switch to filesystem api 3
in DICOM add fallback for missing number of slices in mosaic