change headAccessory to eyewear
create migration scirpt for moving existing uses of headAccessories to eyewear
tidy up migration script
set correct progressCount in migration script
Corrected indentation error
Merge pull request #4294 from crookedneighbor/indentation-error

Corrected indentation error
Merge remote-tracking branch 'remotes/Alys/eyewear1' into develop

Conflicts:
	database_reports/count_users_who_own_specified_gear.js
cleanup 20140829_change_headAccessory_to_eyewear.js
Revert #4291

This reverts commit a1ea6869b7f4f1041ec9593a0a2ab44593756b06.