pre-commit whitespace cleanup for `.component` files (#398)

Enforced 3 hooks for `.component` files:

- end-of-file-fixer
- mixed-line-ending
- trailing-whitespace

Add a "dependencies" target for Ant to allow extracting the JARs that
a Java module depends on. Use this to make Ant targets depends on
their dependencies in gbuild, so that Java submodules within a

Add a "dependencies" target for Ant to allow extracting the JARs that
a Java module depends on. Use this to make Ant targets depends on
their dependencies in gbuild, so that Java submodules within a
main/ module build in the correct order.

Port main/xmerge to gbuild/Ant using this approach.

Patch by: me



git-svn-id: https://svn.apache.org/repos/asf/openoffice/trunk@1847342 13f79535-47bb-0310-9956-ffa450edef68

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