SDT: read each data block into a separate series
SDT: fix block offsets
SDT: one more data block offset fix
Update POMs to point to mirror of the cppwrap plugin

This removes the dependency on maven.imagej.net, which has been causing
problems for Travis and Jenkins.
merge develop -D org -I include -E exclude: PR 528 (Tile performance improvements for VMS and NDPI)
merge develop -D org -I include -E exclude: PR 836 (Update JPEGTurboServiceImpl.java)
merge develop -D org -I include -E exclude: PR 840 (SDT: read each data block into a separate series)
merge develop -D org -I include -E exclude: PR 857 (Initial support for Zeiss .lms files)
merge develop -D org -I include -E exclude: PR 858 (Initial support for Veeco AFM data)
merge develop -D org -I include -E exclude: PR 859 (Assorted metadata/tile parsing fixes)
merge develop -D org -I include -E exclude: PR 866 (Update POMs to point to mirror of the cppwrap plugin (rebased onto develop))