CMake: export pkg-config files, closes #874 @1h While here rename libcommon to libirccd-core to avoid collision when installed. For consistency, rename libirccdctl to libirccd-ctl.

root = true

[*]
charset = utf-8
end_of_line = lf
insert_final_newline = true
indent_style = space
indent_size = 4
trim_trailing_whitespace = true

[*.html]
indent_size = 2