Added noty and login/logout buttons.
Merge pull request #15 from JulesWiz/master

Fixed changes to tools view
Merge branch 'noty_install'

Added buttons and noty install.
Connect the one-to-many association between User and Tools
Merge pull request #16 from JulesWiz/usertools_lend

Connect the one-to-many association between User and Tools
Modified availability as a boolean in schema and migrate files
Added toggle_availability in tools model
Modified schema to default availability as false
Merge pull request #17 from xamroc/tools-func

Tools availability
Added testing for transactions_controller_spec, transactions_controller, model, route
Fixed conflict
Merge pull request #18 from JulesWiz/usertools_rent

Added testing for transactions_controller_spec, transactions_controller,...
Modified transaction schema
Merge pull request #19 from xamroc/tools-func

Modified transaction schema
Added authentication requirement for listing new tools
Merge pull request #20 from xamroc/tools-func

Added authentication requirement for listing new tools
Added Transaction create function and added access control to create transaction
Added validation for Transaction's association
Minor change to transaction form
Added create user and tool to TransactionController