Added all requests view page

[#61]
Added menu button to all requests

[#61]
Added scss request class

[#61]
Added support decorators

[#61]
Added action index to support controller

[#61]
Added will_paginate gem
Adde paging to supports/index
Added date in supports/index view
Fixed column name in supports/_list
Edited default order scope in support and topic
Added filter scopes in support
Added search fields in supports/index
Fixed support decorator-gem will_paginate conflict
Edited variables in supports controller
Added search mechanic in supports controller
Fixed support scopes with OR
Edited filtering scopes in support model
Edited support decorator - collection conflict
Edited supports index view
Edited supports css