Change MalformedUriTemplate and VariableExpansion exceptions to runtime exceptions
Merge pull request #20 from OvercastNetwork/master

Change MalformedUriTemplate and VariableExpansion exceptions to runtime exceptions
Merge branch 'master' of https://github.com/damnhandy/Handy-URI-Templates into 2.2-jdk8

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Javadoc fixes so Java 8 doesn't complain as much