[N/A] Add log files generated at the root folder in gitignore

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[N/A] Create user model

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[N/A] Add user model validations

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[N/A] Add a stub User showpage

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[N/A] Temporarily using attr_accessible security on User model

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[N/A] Add password to User model

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[N/A] Finished password and authentication mechanism

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[N/A] Add a User factory and action show tests

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[N/A] Update User page

Reviewed by N/A
Merge branch 'feature/user-model' into develop