Adds wildcards search for tagmatcher

[padilo]

This allows the use of wildcards when filtering by tag:

awless list instances --tag *cloudformation*=*stack/zookeeper-cluster*

This will output all instances that are tagged as comes from a cloudformation called zookeeper-cluster

Fixes #187

[coveralls]

Pull Request Test Coverage Report for Build 1341

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 9 unchanged lines in 3 files lost coverage.
• Overall coverage increased (+0.02%) to 41.808%

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Files with Coverage Reduction	New Missed Lines	%
console/displayer.go	2	82.52%
cloud/match/matchers.go	3	96.12%
aws/fetch/manual_fetchers.go	4	74.4%

Totals
Change from base Build 1337:	0.02%
Covered Lines:	20329
Relevant Lines:	48625

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💛 - Coveralls