was applying errors in wrong order, should be MSB first

git-svn-id: https://svn.code.sf.net/p/freetel/code/codec2-dev@1573 01035d8c-6547-0410-b346-abe4f91aad63
optional dumping of LSPs and LPCs for error optimisation

git-svn-id: https://svn.code.sf.net/p/freetel/code/codec2-dev@1574 01035d8c-6547-0410-b346-abe4f91aad63
added support for variable power of LSPs ... no sig perf improvements

git-svn-id: https://svn.code.sf.net/p/freetel/code/codec2-dev@1575 01035d8c-6547-0410-b346-abe4f91aad63