Convert the one BMP to GIF.

The latter is a standard web format and also smaller.
update README.md
zIndex for emptyNode

set zIndex to 1
Merge pull request #227 from ak1394/master

Fix issue caused by row IDs having quotes in them
modify pull request
fix the defect the row number is wrong when startup after setting initialPageSize
update gridx version
fix #12377 - Gridx toolbar with no buttons messes up tabbing
add test case for gridx/module/Toolbar
Pressing enter key while the Close button has focus does not cancel gotopage dialog
Merge branch 'master' of https://github.com/oria/gridx
fix #12671 - Focus skip column header and row header when using Tab key
update test_grid_bar page to add case for empty Toolbar focus skip header and rowHeader issue
fix gridx fail to render when encode non-string column
Merge pull request #229 from junfengye/patch-2

zIndex for emptyNode
update dod test page
Merge branch 'master' of github.com:oria/gridx
fix #12051 - Bug: accessibility AA1.4.3 radio buttons changed into checkboxes in high contrast
code cleanup
for always editing, remove the call to _lockColumn when focus