Crunch additions.
Fix AvroSpecificMaxTemperature to use later API with setters, String, etc.
Add Flume examples.
Add Parquet examples.
Projection and read schemas
Introduce MR jobs that use Avro.
Get Avro tests passing.
Add Parquet snippet files.
Update surefire and failsafe plugins.
Remove old Crunch tests.
Update maven-assembly-plugin to 2.4
Update maven-compiler-plugin and maven-enforcer-plugin to latest.
Add example configuration files that were missing from source control.
Update Crunch version.