Replace ext.domain with org.osehra

This is needed to standardize references between classes, pom files,
etc.

Commands to replicate
find {health-time,hmp,vista-support} -type f -name *.java | xargs perl -pi -e
's/ext.domain/org.osehra/g'
find {health-time,hmp,vista-support} -type f -name *.java | xargs perl -pi -e
's/EXT.DOMAIN/org.osehra/g'
Replace ext.domain with org.osehra in pom.xml files

Synchronize pom files with the *.java replacement of ext.domain to
org.osehra
Remove references to vainnovations.us for health-time

All changes local to health-time directory
Replace references to vainnovations.us to github for git repos
Replace references to vainnovations.us for maven repositories and
plugins to standard maven2 repositories
Fix some xml formatting in pom.xml
Remove references to vainnovations.us for vista-support

All changes local to vista-support directory
Replace references to vainnovations.us to github for git repos
Replace references to vainnovations.us for maven repositories and
plugins to standard maven2 repositories
Fix some xml formatting in pom.xml
Remove references to vainnovations.us for hmp/hmp-main

All changes local to hmp/hmp-main directory
Replace references to vainnovations.us to github for git repos
Replace references to vainnovations.us for maven repositories and
plugins to standard maven2 repositories
Fix some xml formatting in pom.xml
Remove references to vainnovations.us for hmp/local-addr-servlet-filter

All changes local to hmp/local-addr-servlet-filter directory
Replace references to vainnovations.us to github for git repos
Replace references to vainnovations.us for maven repositories and
plugins to standard maven2 repositories
Fix some xml formatting in pom.xml
Replace EXT.DOMAIN with org.osehra in *.groovy files

Synchronize with the rest of the java files that have been renamespaced
to org.osehra
Add .gitattributes
Normalize line endings
Replace kids.host with localhost

Replace invalid reference to doman.ext host with localhost.