master broken?

[jscrane]

I've pulled the latest version and tried to build it:

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project TranskribusCore: Compilation failure: Compilation failure: 
[ERROR] /home/steve/src/TranskribusCore/src/main/java/eu/transkribus/core/model/builder/iiif/IIIFUtils.java:[37,48] package de.digitalcollections.iiif.model.jackson does not exist
[ERROR] /home/steve/src/TranskribusCore/src/main/java/eu/transkribus/core/model/builder/iiif/IIIFUtils.java:[38,55] package de.digitalcollections.iiif.model.openannotation does not exist
[ERROR] /home/steve/src/TranskribusCore/src/main/java/eu/transkribus/core/model/builder/iiif/IIIFUtils.java:[39,53] package de.digitalcollections.iiif.model.sharedcanvas does not exist
[ERROR] /home/steve/src/TranskribusCore/src/main/java/eu/transkribus/core/model/builder/iiif/IIIFUtils.java:[40,53] package de.digitalcollections.iiif.model.sharedcanvas does not exist
[ERROR] /home/steve/src/TranskribusCore/src/main/java/eu/transkribus/core/model/builder/iiif/IIIFUtils.java:[41,53] package de.digitalcollections.iiif.model.sharedcanvas does not exist
[ERROR] /home/steve/src/TranskribusCore/src/main/java/eu/transkribus/core/model/builder/iiif/IIIFUtils.java:[42,53] package de.digitalcollections.iiif.model.sharedcanvas does not exist
[ERROR] /home/steve/src/TranskribusCore/src/main/java/eu/transkribus/core/model/builder/iiif/IIIFUtils.java:[67,54] cannot find symbol
[ERROR]   symbol:   class Manifest
[ERROR]   location: class eu.transkribus.core.model.builder.iiif.IIIFUtils
[ERROR] /home/steve/src/TranskribusCore/src/main/java/eu/transkribus/core/model/builder/iiif/IIIFUtils.java:[72,14] cannot find symbol
[ERROR]   symbol:   class Sequence
[ERROR]   location: class eu.transkribus.core.model.builder.iiif.IIIFUtils
[ERROR] /home/steve/src/TranskribusCore/src/main/java/eu/transkribus/core/model/builder/iiif/IIIFUtils.java:[73,29] cannot find symbol
[ERROR]   symbol:   class Sequence
[ERROR]   location: class eu.transkribus.core.model.builder.iiif.IIIFUtils
[ERROR] /home/steve/src/TranskribusCore/src/main/java/eu/transkribus/core/model/builder/iiif/IIIFUtils.java:[74,38] cannot find symbol
[ERROR]   symbol:   class Canvas
[ERROR]   location: class eu.transkribus.core.model.builder.iiif.IIIFUtils
[ERROR] /home/steve/src/TranskribusCore/src/main/java/eu/transkribus/core/model/builder/iiif/IIIFUtils.java:[76,46] cannot find symbol
[ERROR]   symbol:   class Annotation
[ERROR]   location: class eu.transkribus.core.model.builder.iiif.IIIFUtils
[ERROR] /home/steve/src/TranskribusCore/src/main/java/eu/transkribus/core/model/builder/iiif/IIIFUtils.java:[78,45] cannot find symbol
[ERROR]   symbol:   class Annotation
[ERROR]   location: class eu.transkribus.core.model.builder.iiif.IIIFUtils
[ERROR] /home/steve/src/TranskribusCore/src/main/java/eu/transkribus/core/model/builder/iiif/IIIFUtils.java:[121,78] buildPage(java.io.File,int,java.io.File,java.io.File,java.io.File,java.awt.Dimension,java.lang.String) has protected access in eu.transkribus.core.io.LocalDocReader
[ERROR] -> [Help 1]

(The development branch builds and installs fine in my local repo.)