Fixed schemas for non-null default values.
Adds semantics to beacon.avdl
Line length adjustment
Remove referenceName in favor of referenceID
Remove referenceName in favor of referenceID
Merge pull request #195 from jeromekelleher/fix-defaults

Fixed schemas for non-null default values.
Merge pull request #193 from hershman/referenceName

Remove referenceID option from SearchReadsRequest
Merge pull request #210 from mfiume/master

Adds semantics to beacon.avdl