Allow to pass options to build.py using BUILD_OPTIONS in OMERO.sh

This commit should solve failing ice34 builds because of javac out of memory
exception. Rather than increasing the default value of the maximum memory in
build.py, builds should now pass by setting BUILD_OPTIONS=-Djavac.maxmem=950M.
merge develop -D org -I include -E exclude: PR 898 (Bulk annotations for web image viewer, rebased onto develop)
merge develop -D org -I include -E exclude: PR 912 (Add Bio-Formats' turbojpeg artifact to the classpath)
merge develop -D org -I include -E exclude: PR 954 (Update develop submodules)
merge develop -D org -I include -E exclude: PR 961 (Basic test of Blitz fileset methods. See #10613)
merge develop -D org -I include -E exclude: PR 968 (Fix bug that causes _treeList to only return last directory entry)
merge develop -D org -I include -E exclude: PR 969 (Split view 10094 develop)
merge develop -D org -I include -E exclude: PR 970 (Web bugs march25th develop)
merge develop -D org -I include -E exclude: PR 973 (loadOmero() improvements (rebased onto develop))
merge develop -D org -I include -E exclude: PR 974 (Allow to pass options to build.py using BUILD_OPTIONS in OMERO.sh)
merge develop -D org -I include -E exclude

Repository: openmicroscopy/openmicroscopy
Already up-to-date.
Merged PRs:
  # PR 898 knabar 'Bulk annotations for web image viewer, rebased onto develop'
  # PR 912 melissalinkert 'Add Bio-Formats' turbojpeg artifact to the classpath'
  # PR 954 snoopycrimecop 'Update develop submodules'
  # PR 961 will-moore 'Basic test of Blitz fileset methods. See #10613'
  # PR 968 knabar 'Fix bug that causes _treeList to only return last directory entry'
  # PR 969 will-moore 'Split view 10094 develop'
  # PR 970 will-moore 'Web bugs march25th develop'
  # PR 973 sbesson 'loadOmero() improvements (rebased onto develop)'
  # PR 974 sbesson 'Allow to pass options to build.py using BUILD_OPTIONS in OMERO.sh'

Repository: openmicroscopy/bioformats
Already up-to-date.
Merged PRs:
  # PR 159 melissalinkert 'Improve .ndpi support'
  # PR 351 ctrueden 'Add SPW support to FakeReader'
  # PR 424 qidane 'Specification changes for 2013-06 release'
  # PR 438 melissalinkert 'Fix the autogenerated metadata field counts (rebased onto develop)'
  # PR 439 melissalinkert 'Add support for Aperio AFI data'

Repository: ome/scripts
Already up-to-date.
Merged PRs:
  # PR 23 will-moore 'Kymograph 8206_develop'

Repository: openmicroscopy/ome-documentation
Already up-to-date.
Merged PRs:
  # PR 309 sbesson 'Walkthrough fixes (rebased onto develop)'

Generated by OMERO-merge-develop#207 (http://hudson.openmicroscopy.org.uk/job/OMERO-merge-develop/207/)