Drop publish_*, rework build system * use foreach and lists in cmake * put hook and option names in cmake configurable variables * put module descriptions into cmake variables * use cmake-provided options in .rc * use cmake-provided module description in header and avv files * rename headers to pep_*.h * remove publish_*() * api versions for pep_* bumped to 2 (incompatible) * update documentation * rework & optimize tune outgoing handler (ex-tune_publish) * ignore backup files at installation

Name:        pep
Method:      glib
Version:     ${PROJECT_VERSION}
Description: ${PEP_DESCRIPTION_AVV}
Requires:    ( xmpp:4 | xmpp:3 | xmpp:2 | xmpp:1 ) +
             ( hooks:5 | hooks:4 | hooks:3 | hooks:2 )
Provides:    pep:1
Init:        pep_init
Uninit:      pep_uninit