In our build script we check image existence. They are some files i can't find in the ext-4.2.0 folder.

here the list of missing image :

btn/btn-default-toolbar-small-fbg.gif
btn/btn-default-toolbar-small-bg.gif
btn/btn-default-toolbar-small-bg.gif
btn/btn-default-toolbar-small-disabled-fbg.gif
btn/btn-default-toolbar-small-bg.gif
btn/btn-default-toolbar-small-disabled-bg.gif
btn/btn-default-toolbar-small-disabled-bg.gif
btn/btn-default-toolbar-medium-fbg.gif
btn/btn-default-toolbar-medium-bg.gif
btn/btn-default-toolbar-medium-bg.gif
btn/btn-default-toolbar-medium-disabled-fbg.gif
btn/btn-default-toolbar-medium-bg.gif
btn/btn-default-toolbar-medium-disabled-bg.gif
btn/btn-default-toolbar-medium-disabled-bg.gif
btn/btn-default-toolbar-large-fbg.gif
btn/btn-default-toolbar-large-bg.gif
btn/btn-default-toolbar-large-bg.gif
btn/btn-default-toolbar-large-disabled-fbg.gif
btn/btn-default-toolbar-large-bg.gif
btn/btn-default-toolbar-large-disabled-bg.gif
btn/btn-default-toolbar-large-disabled-bg.gif
grid-row-editor-buttons/-corners.gif
grid-row-editor-buttons/-sides.gif
grid-row-editor-buttons/-sides.gif
tab-bar/tab-bar-default-bottom-bg.gif
tab-bar/tab-bar-default-left-bg.gif
tab-bar/tab-bar-default-right-bg.gif
tab-bar/tab-bar-default-bottom-bg.gif
tab-bar/tab-bar-default-left-bg.gif
tab-bar/tab-bar-default-right-bg.gif