Update submodules
merge develop -D org -I include -E exclude: PR 972 (Repository API)
merge develop -D org -I include -E exclude: PR 1047 (Upload)
merge develop -D org -I include -E exclude: PR 1049 (Specification removal)
merge develop -D org -I include -E exclude: PR 1051 (CLI: Improve group arguments allowing to specify input type (see #10677) (rebased onto develop))
merge develop -D org -I include -E exclude: PR 1058 (Fs file caching (#10535))
merge develop -D org -I include -E exclude: PR 1062 (Import log)
merge develop -D org -I include -E exclude: PR 1075 (Connection (rebased onto develop))
merge develop -D org -I include -E exclude: PR 1078 (Conflict-fixing rebase of #1064 (Download image metadata develop))
merge develop -D org -I include -E exclude: PR 1080 (Re-raise javac.maxmem to 600m (Fix #10688))
merge develop -D org -I include -E exclude: PR 1081 (add checksum verification for web file attachment (rebase))
merge develop -D org -I include -E exclude: PR 1085 (tidying of path-related code)
merge develop -D org -I include -E exclude: PR 1088 (CLI: Improve user arguments allowing to specify input type (rebased onto develop))
merge develop -D org -I include -E exclude: PR 1090 (Update TestNG in blitz to 6.8)
merge develop -D org -I include -E exclude: PR 1092 (Fileset display)
merge develop -D org -I include -E exclude: PR 1094 (travis: Install python-genshi)
merge develop -D org -I include -E exclude: PR 1095 (Big image zoom init 8475 develop)
merge develop -D org -I include -E exclude: PR 1096 (Thumbnail figure develop)
merge develop -D org -I include -E exclude: PR 1097 (Copy paste rdefs 10673 develop)
merge develop -D org -I include -E exclude: PR 1098 (Web bugs april17th develop)