Manpages of lives-plugins in Debian stretch

• build-lives-rfx-plugin-multi(1)
• build-lives-rfx-plugin(1)
• lives_avi_encoder3(1)
• lives_dirac_encoder3(1)
• lives_gif_encoder3(1)
• lives_mkv_encoder3(1)
• lives_mng_encoder3(1)
• lives_mpeg_encoder3(1)
• lives_ogm_encoder3(1)
• lives_theora_encoder3(1)