created import_equipment_models controller and started putting it together
Revert "created import_equipment_models controller and started putting it together"

This reverts commit a5feecc14aca7b8a3483442d8bfcba8f4b962851.
Created import_equipment_controller, set up routes, minor tweaks
started filling in controller, put together import view
added strategy comments to controller
fleshed out import structure, on to actual code :-)
fixed confusion about csv_import and filepath
fixed example data and import page (downcase and underscore)
added general and specific validation methods
added csv_import field to tables in database
started working on import code, comments for next time
moved equipment import validators to lib file
started category import function
added include call to lib file in controller
category import working, not sure about validators
fixed validators
created model and object import methods, everything seems to work
added rake task to undo example import
updated test data
fixed space issue in import view