DDTTYLogger: Allow to set default color profiles for all contexts at once

* Using `LOG_CONTEXT_ALL` will associate a color profile log messages from all contexts.
* Specific contexts can still set a different color profile on top.
Merge pull request #146 from rivera-ernesto/ttylogger_defaultcolorprofile_forcontexts

DDTTYLogger: Allow to set default color profiles for all contexts at once