#1532 ThreadSearc : documention + others

[LETARTARE]

Cb-13562 + wx-328 + gcc-14.2, Win-7
I wanted to create the documentation with 'Doxygen' and I had to correct forgetfulness in the comments,
so I made the following changes :
1- omission for comments 'Doxygen' ...
2- all single words 'NULL' => 'nullptr'
3- in manisfest.xml: version '1.14' => 1.15'
4- 'END_EVENT_TABLE();' => 'END_EVENT_TABLE()'
5- event 'EVT_TEXT' not used in ''ThreadSearch.cpp' : see
[quote] 'void ThreadSearch::OnCboSearchExprEnter(wxCommandEvent &event)'[/quote]
6- in 'ThreadSearch::OnAttach()' with LOGGING string translation

This is a patch :

[LETARTARE]

error 'Cb-13562' => 'Cb-13662'

[Miguel Gimenez]

Applied in [r13665], thank you.
I have restored EVT_TEXT, it is used for searching while typing.

[LETARTARE]

I hesitated to report it for 'EVT_TEXT', but the code of 'ThreadSearch::OnCboSearchExprEnter(...)' is only executed for 'wxEVT_COMMAND_TEXT_ENTER)'.
But it's safe to leave it
Thanks.