ADD is_global param to VariableField and VariableFieldCategory
-global can manipulate only admin, others can use
ADD VariableField test + fixies
1) FIX access denied redirect loop
2) FIX string value _VariableField_ - no best, worst values
3) ADD make accessible _request_ in _Ability_ class
4) EDIT permissions
-made inheritance structure player <- coach <- admin
-divided by resources
5) _User_
-ADD in_relation?
6) _UserRelation_
-EDIT from_user_status, to_user_status, relation change to enum type
-ADD validations
--user_status - [new, accepted, refused]
--relation - [friend, watcher, coach]
-EDIT relation getter - transform return value to Symbol
-ADD methods
--in_relation?
--add_relation
--get_my_relations_with_statuses
7) EDIT _VariableField_ user_variable_fields small edit of css markup
8) FIX _VariableFieldCategory_ cucumber create step - using _FactoryGirl_
9) EDIT _VariableField_ cucumber cretae step - using _FactoryGirl_
10) EDIT cucumber html element with required text finder
11) ADD _UserRelation_ tests for new methods