Initial empty commit of new package cl_tf2.
Bug-fix: Newer version of SBCL from debians prints its version with string attached; need to not parse this into an integer.
Added package definition file for lisp-package cl-tf2.
Added class-definition for buffer-client.
Added some gitignore-rules.
Added dependency on tf2_msgs.
Provided default init-forms for buffer-client.
Generic interface to tf2-buffer.
Simplified generic buffer interface.
Another try at a generic interface for tf2.
Removed unnecessary members of buffer-client taken care of action-client.
First implementation of lookup-transform and can-transform for BufferClient.