Fixed I_IMAGENONE comparison in drawing tabs
Merge pull request #3 from ArmstrongJ/tabicon

[MDITAB] Fixed I_IMAGENONE comparison in drawing tabs
Bump version to 0.9.3
[DOC] Update Doxyfile for doxygen 1.8.4
[DEBUG] Minor clean-up and enhancements.
Merge branch 'master' of https://github.com/mity/mctrl
[CHART] Fix WM_STYLECHANGED.

The function chart_style_changed() errorneously used TVS_NOTOOLTIPS instead
of MC_CHS_NOTOOLTIPS.
[misc.h] Rename MC_MSG() to better MC_SEND() and add MC_POST().

ALso adapted all useages of MC_MSG in all sources.
[EXPAND] Use SelectObject() instead of SelctBrush().

It fixes gcc warning.
[misc.h] Clean-up.

 * Do not include <windowsx.h>. We only use GET_[XY]_LPARAM macros and
likely never will use more from it, so define those macros manually.

 * Remove unused macros MC_VARARRAY_SIZE and MC_NAME_AW.
[CHART] Deactivate tooltip when...

... changing the MC_CHS_NOTOOLTIPS style or when detroying the control.
[TREELIST] Fixes when reallocating subitems...

... when adding or removing a column.
[misc.h] Add mc_track_mouse().
[MDITAB] Simplify hot tracking by using mc_track_mouse().
[CHART] Simpify tooltip management by using mc_track_mouse().
[THEME] Fix doc comment.
[DEBUG] Fix debug traces.
[TREELIST] Support hot item buttons.

 * When current theme supports the part TVP_HOTGLYPH, use it when the
   button is under the mouse cursor.
 * Make the example examples/ex_treelist2.c to use the EXPLORER theme to
   demonstrate it.
Rename src/res/lang.XX to src/res/lang-XX.rc
Rename scripts/mkrel.sh to scripts/release.sh