simplified code; row numbers down left side of table; <textarea> for editing rather than <input>; unified loading/saving flash
clickable row at bottom of table to add a new row
new column cells along right-hand edge
fix new row new column conflict
remove old images
colourful green plus icons for new row/column cells
make row deletion actually work
fix column renaming bug
delete columns
don't show column deleter in new-column header cell
tabbing from cell to cell ignores uneditable cells
create a new example table if there isn't one already
less confusing status when creating example table
show explanation for demo table content
Merge pull request #20 from zarino/v2

Various improvements to make UI more intuitive