Clean-up: The "_" delimiter is logically not part of the prefix

Change-Id: I60329aabe465da48aac11ad76dd72e9a0ae4d078
Clean-up uno/lbnames.h

Change-Id: I4bd729499aa8be58f04194656e35c1f79d5d4919
CPPU_CURRENT_NAMESPACE is impl detail, mark @deprecated

Change-Id: I4f66403c197bb94ec0ce178f949ece80bab1116f
Parser::attrImplementation_ can be a local var

Change-Id: I402040a4b747d457b1b7a3695d0b3567fa7bf478
Allow setting environment value directly in .component files

...for internal loader="com.sun.star.loader.SharedLibrary" components, instead
of exported component_getImplementationEnvironmen (or implicit
CPPU_CURRENT_LANGUAGE_BINDING_NAME).  Adapted a few .component files as proof-
of-concept, more to follow.

Change-Id: I82332e0a48e6fc1da245990bb72265fe6e58447e