added EAD collection builder.
expanded on the generation of json document.
Merge remote-tracking branch 'origin/master' into dsc-83
refactored CollectionBuilder and added CollectionBuilderTest.
refactor of create collection from EAD.
Merge remote-tracking branch 'origin/master' into dsc-83
Merge remote-tracking branch 'origin/master' into dsc-83
additional field mapping for EAD.
added parser method for EAD component.
Expanded on filtering EAD document, added default document parser and parsing configuration.
updated filtering EAD document.
code clean up.
code clean up.
code cleanup.
Merge remote-tracking branch 'origin/master' into dsc-83
updated amberdb version.
update version.
Update README.md
Update pom.xml
updated to include suggested changes from code review.