Merge pull request #580 from melissalinkert/rebased/dev_4_4/zvi-coordinates

Zeiss ZVI: ignore invalid plane coordinates (rebased onto dev_4_4)
Merge pull request #581 from melissalinkert/rebased/dev_4_4/seq-suffix

SEQ: do not automatically pick up files with the .seq suffix (rebased onto dev_4_4)
bfopen: save individual series' original metadata

Previously the union of all series' original metadata was stored once
for each series.  This causes potentially substantially more memory to
be used, and makes it more difficult to read original metadata.
bfopen: minor code cleanup
Merge pull request #549 from melissalinkert/lsm-channel-names

Zeiss LSM: use the longer display channel name
merge dev_4_4 -D org -I include -E exclude: PR 579 (CellSens: do not set the resolution count)
merge dev_4_4 -D org -I include -E exclude: PR 584 (Update auto-generated documentation)
merge dev_4_4 -D org -I include -E exclude: PR 586 (CellSens: sort arrays of pixels files)
merge dev_4_4 -D org -I include -E exclude: PR 587 (bfopen: save individual series' original metadata (rebased onto dev_4_4))