Build and example fixes#1

Merged

cheddar merged 3 commits intoapache:masterfrom

mcroydon:master

Oct 24, 2012

Commits on Oct 24, 2012

Removed unused import in IndexMerger that was causing build.sh to fail with Java 1.7.0_04-b21 on OS X 10.7.4.
mcroydon
committed
Removed hardcoded jar version in examples/rand/run_server.sh which was preventing it from running. Also updated examples/rand/run_client.sh and examples/twitter/run_client.sh help messages to remo…
mcroydon
committed
Added twitter and rand example output files to .gitignore.
mcroydon
committed