bundle update
Merge pull request #120 from motasem-salem/gems_update

bundle update
OSRA-182 #Code-Review
Clarify scenario descriptions
Spec to test that Sponsor#eligible_for_sponsorship? takes into account request_fulfilled
Merge pull request #121 from NikitaAvvakumov/sponsor_request

Sponsors with fulfilled requests are not eligible for new sponsorships
Create failing scenario for placing sponsoring sponsor on hold
Create failing spec for placing sponsoring sponsor on hold
Amend Sponsor#being_inactivated? to allow placing sponsoring sponsor on hold