fix filenames reported if the data files are not found

previously the server would include the template suffix (e.g. template.hbs.json
and template.hbs.yml) in the error message, leaving the user with no chance to
fix the problem.
checkstyle fixes
Merge pull request #131 from c089/fix-reported-not-found-filenames

fix filenames reported if the data files are not found
Introduce MissingValueResolver #122
Merge pull request #125 from jknack/missingValueResolver

Introduce MissingValueResolver
Some new unit tests
Doc typos
releaseprepare release v0.9.0
releaseprepare for next development iteration
0.9.0 release
null context values doesn't work with method helpers #133
publish snapshots to oss.sonatype.org
Benchmarks with JUnitBenchmarks
Fixing text() behavior when using alternate delimiters
Moving tests to CustomDelimiterTest as requested in code review
Removing duplicate tests
Merge pull request #134 from tblair-df/master

text() method produces incorrect results when using alternate delimiters
use ANTLRv4 as parser generator #135

* good bye parboiled, hello ANTLR
remove unused project
Merge branch 'altparser'