Log Message:
cairomm: update to 1.14.5.

1.14.5 (stable):

Documentation:
* Context: Fix some typos
  (Daniel Boles) Merge request !26
* Update Visual Studio build docs
  (Chun-wei Fan) Merge request !27
* Remove AUTHORS and MAINTAINERS; add info to README.md
  (Kjell Ahlstedt) Issue gtkmm#140

Meson build:
* Detect if we build from a git subtree
  (William Roy) Merge request gtkmm!72
* Don't copy files with configure_file()
  (Kjell Ahlstedt)
* Fix the evaluation of is_git_build on Windows
  (Kjell Ahlstedt) Issue gtkmm#131 (William Roy)
* The boost-shared option defaults to true
  (Kjell Ahlstedt)