Options for determining what migrations need to be run

gistfile1.txt

[cjcolvar@localhost avalon]$ bundle exec rake db:version
Current version: 20160511155417
[cjcolvar@localhost avalon]$ bundle exec rake db:migrate:status

database: /home/cjcolvar/Code/avalon/avalon/db/development.sqlite3

 Status   Migration ID    Migration Name
--------------------------------------------------
   up     20120202180525  Devise create users
   up     20120202180540  Create searches
   up     20120202180541  Create bookmarks
   up     20120202180542  Remove editable fields from bookmarks
   up     20120202180543  Add user types to bookmarks searches
   up     20120202180831  Create superusers
   up     20120817152739  Workflow status
   up     20120820182711  Workflow to ingest
   up     20120820201159  Change ingest status flag
   up     20120912183443  Add columns to users
   up     20120918154531  Create identities
   up     20121017153630  Add email to users
   up     20121017153957  Add guest to users
   up     20121109145441  Create delayed jobs
   up     20121114175231  Remove ingest status
   up     20121203050857  Create stream tokens
   up     20121219173255  Create table ingest batch
   up     20130108163856  Add name to ingest batch
   up     20130211152936  Create role map
   up     20130827143821  R2 avalon config
   up     20130827145729  R2 group migration
   up     20130827150031  R1 content to r2
   up     20130926173238  R1to r2 clean user table
   up     20140131223814  Create courses
   up     20140218202613  Add title to course
   up     20140306160513  Remove hydra migrate
   up     20140306225510  R2 content to r3
   up     20140521132807  Add sessions table
   up     20140903161907  Add polymorphic type to bookmarks.blacklight
   up     20150601145809  Active encode success
   up     20150629150821  Remap streaming urls
   up     20150707213944  Increase session data
   up     20150824155143  R3 media object to r4
   up     20151201164326  Add date digitized to master file
   up     20160105181819  Derivative add managed
   up     20160122203634  Add resource types to display metadata
   up     20160420024757  ********** NO FILE **********
   up     20160420024758  ********** NO FILE **********
   up     20160422052041  ********** NO FILE **********
   up     20160427165749  Create playlists
   up     20160428133859  Create playlist items
   up     20160511155417  Create annotations.active annotations
  down    20160617182647  Change avalon annotation to avalon clip