Add Google Custom Search Box to the footer
Merge pull request #1494 from Deborah-Digges/issue373

Add Google Custom Search Box to the footer
Close #373
Update deployment settings for svn mission
Improve installation instructions
Verify install instructions work on 10.10
Merge pull request #1498 from onceuponatimeforever/improve_install_docs

Improve install docs

Closes #1481
Merge pull request #1497 from willingc/issue-1399-svn

Fix issue 1399 to update deployment settings for svn mission
Remove DataImportAttempts

Includes migration files:
delete model DataImportAttempt
delete data_import_attempt fields in RespositoryCommitter
model, UntrashedCitationManager