CLC-3685-update-gems-1

https://jira.ets.berkeley.edu/jira/browse/CLC-3685

Updated active_attr gem from version 0.8.1 to 0.8.3
  gem "active_attr", "~> 0.8.3"
Updated all the jdbc adapters to v1.3.7
  gem "activerecord-jdbc-adapter", "~> 1.3.7"
  gem "activerecord-jdbcpostgresql-adapter", "~> 1.3.7"
  gem "activerecord-jdbch2-adapter", "~> 1.3.7"
  gem "activerecord-jdbcsqlite3-adapter", "~> 1.3.7"