Postpone major third party component updates again

Updating these might break something. No time to investigate yet.

Author: ctrueden

timestamps.txt

@@ -35,15 +35,15 @@ net.imglib2:imglib2-algorithm-gpl 20180905120000
 net.imglib2:imglib2-ij 20180905120000
 net.imglib2:imglib2-script 20180905120000
 net.imglib2:imglib2-ui 20180905120000
-net.java.dev.jna:jna 20181026000000
-org.apache.poi:poi 20181026000000
+net.java.dev.jna:jna 20181208000000
+org.apache.poi:poi 20181208000000
 org.apache.spark:spark-core_2.11 20181231000000
 org.janelia:H5J_Loader_Plugin 20180929000000
 org.javassist:javassist 20181026000000
 org.jetbrains.kotlin:kotlin-reflect 20181231000000
 org.jetbrains.kotlin:kotlin-stdlib-jdk8 20181231000000
 org.jmockit:jmockit 20190101120000
-org.mockito:mockito-core 20181026000000
+org.mockito:mockito-core 20181208000000
 org.ojalgo:ojalgo 20181026000000
 org.openjdk.jmh:jmh-core 20181026000000
 org.openjdk.jmh:jmh-generator-annprocess 20181026000000