Introduced SqoopTool interface.
Added cli package for option parsing:
includes RelatedOptions, ToolOptions, SqoopParser.
'Sqoop' is now a wrapper that invokes a SqoopTool.
Added setter methods for all fields of SqoopOptions.
Added commons-cli 1.2 build dependency.
Argument parsing is removed from SqoopOptions and pushed into individual tools.
Added HelpTool to display basic usage information for Sqoop and
usage for subcommands.
Added ImportTool to perform imports.
Added EvalSqlTool.
Added ExportTool.
Added ImportAllTablesTool.
Added ListDatabasesTool, ListTablesTool.
Added CodeGenTool.
Added CreateHiveTableTool.
Small changes to orm.ClassWriter.
Auto-generate bin scripts for all tools; include in release package.
Allow user to provide build properties in a file.
Shim use of GenericOptionsParser to allow cross-compilation.
Fix Hive testcases to pass under CDH.
From: Aaron Kimball <aaron@cloudera.com>
git-svn-id: https://svn.apache.org/repos/asf/incubator/sqoop/trunk@1149894 13f79535-47bb-0310-9956-ffa450edef68
