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Merge remote-tracking branch 'origin/master'
improve coding style : correct syntax with if-then-else statements
wrap long lines
Add spline charts back
Use jQuery extend for options merging
More space needed due to increase of chart types
Merge branch 'master' into charts

Conflicts:
	tbl_chart.php
Fix merge conflicts
I don't understand this test (which now fails)
improve coding style
improve coding style
use include_once when including a file conditionally
wrap long lines
improve coding style
improve coding style
improve coding style
fix coding style
wrap long lines, fix coding style
Fix typo