Prepend Maven central in the pluginRepositories block

This should decrease the burden on our artifactory to resolve external
dependencies in the Travis builds.
Prepend formats-common repositories with Maven Central (seralizer, xalan...)
Prepend autogen/pom.xml with Maven Central (velocity)
Prepend format-bsd/pom.xml repositories with Maven Central (perf4j)
Prepend formats-gpl/pom.xml repositories with unidata (netcdf)
Remove duplicate repository and prepend with ome.external (JWlz)
Prepend formats-bsd/pom.xml plugin repositories with Maven and LOCI
Add imagej third party repository to formats-gpl/pom.xml for jace
merge develop -D org: PR 983 (Woolz: make sure the service is initialized when calling openBytes (rebased onto develop))
merge develop -D org: PR 1154 (Leica: prevent exception when linking EmissionFilter)
merge develop -D org: PR 1229 (Final .nd2 fixes for 5.0.3 (rebased onto develop))
merge develop -D org: PR 1237 (Prepend Maven central in the pluginRepositories block (rebased onto develop))
merge develop -D org

Repository: openmicroscopy/bioformats
Excluded PRs:
  # PR 857 melissalinkert 'Initial support for Zeiss .lms files' (label: exclude)
  # PR 1232 csachs 'Use chunkmap for Nikon ND2 files to speed up processing' (user: csachs)
  # PR 1204 rleigh-dundee 'cpp: Add PixelBuffer<> and VariantPixelBuffer' (exclude comment)
  # PR 816 melissalinkert 'Add support for multi-channel Volocity Clipping datasets' (label: exclude)
  # PR 1136 melissalinkert 'Add initial support for reading BinaryOnly OME-TIFF datasets (rebased onto develop)' (label: exclude)
  # PR 1235 mtbc 'do not insert acquisition dates by default unless from metadata' (status: error)
  # PR 1225 sbesson 'Fix bfGetReader for empty input (rebased onto develop)' (status: error)
  # PR 1177 rleigh-dundee 'specification: Add metadata for HDF5 embedding' (exclude comment)
  # PR 1161 sommerc 'Initial CellH5 Reader class' (user: sommerc)
  # PR 1054 qidane 'Additional annotation points throughout the model' (exclude comment)
  # PR 1015 qidane 'Messy binary' (exclude comment)
  # PR 858 melissalinkert 'Initial support for Veeco AFM data' (label: exclude)
  # PR 1141 LeeKamentsky 'Reader for Amaris FlowSight .cif format' (label: exclude)
  # PR 978 berl 'Add writing of .v3draw format for easy loading with Vaa3D.' (user: berl)
Already up-to-date.

Merged PRs:
  # PR 983 melissalinkert 'Woolz: make sure the service is initialized when calling openBytes (rebased onto develop)'
  # PR 1154 melissalinkert 'Leica: prevent exception when linking EmissionFilter'
  # PR 1229 melissalinkert 'Final .nd2 fixes for 5.0.3 (rebased onto develop)'
  # PR 1237 sbesson 'Prepend Maven central in the pluginRepositories block (rebased onto develop)'

Generated by OME-5.1-merge-push#354 (http://ci.openmicroscopy.org/job/OME-5.1-merge-push/354/)