Fix legibility of compilation mode-line messages.

Fix legibility of compilation mode-line messages.

* lisp/progmodes/compile.el (compilation-mode-line-fail)
(compilation-mode-line-run, compilation-mode-line-exit): New
faces.
(compilation-start, compilation-handle-exit): Use them.

* etc/themes/wheatgrass-theme.el:
* etc/themes/deeper-blue-theme.el:
* etc/themes/tango-dark-theme.el:
* etc/themes/tsdh-dark-theme.el: Add compilation-mode-line-fail,
compilation-mode-line-run, and compilation-mode-line-exit faces.

* etc/themes/manoj-dark-theme.el: Remove :family attributes.