command: describe-events: allow = in command-line flags.
command/elasticbeanstalk: describe-events: don't use tabular output.
command+util: describe-events: color event severity.
util/table: fix ANSI coloring bug. no tests.
command+util: describe-instances: color instance state.
pom: bump AWS SDK version.
command: describe-stack-resources: color resource status.
command: describe-stack-resources: print physical ids.
command: describe-stack-events: sort outputs.
command: describe-application-versions: print 2 timestamps.