add before_action to count

[lislis]

code to make sure that users get only to the sorting pages if there are at least 2 entires, aka something that you can actually sort

[coveralls]

Pull Request Test Coverage Report for Build 192

• 21 of 21 (100.0%) changed or added relevant lines in 5 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.3%) to 98.102%

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Totals
Change from base Build 188:	0.3%
Covered Lines:	1602
Relevant Lines:	1633

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💛 - Coveralls