Added support for curve joining
*** empty log message ***
Test for Multicurve joining
Added support for MultiCurve joining
Improved paragraph dedicated to smoothness-coeff editing
Changed PsTricks to PSTricks.
Changed PsTricks to PSTricks + added localized entries.
Weeded old code related to parametricplot
Fixed bug with psline formatting (was: inner points were output twice) [Jobst]
Added localized entires for the attributes customized (Jobst)
