Bump to pom-scijava 2.1

This updates several scijava component version numbers.
Pump versions of several ImageJ components

These include:
* ij1-patcher -> 0.4.2
* imagej-common -> 0.5.1
* imagej-launcher -> 3.0.1
* imagej-plugins-commands -> 0.1.1
* imagej-plugins-tools -> 0.1.1
* imagej-plugins-uploader-ssh -> 0.1.1
* imagej-plugins-uploader-webdav -> 0.1.1
* imagej-ui-awt -> 0.1.1
* imagej-ui-swing -> 0.2.0
Manage version of imagej-omero