* previously each process sent requests to all other processes...

commit: a1726c8d

* now user can set whether global ids of source and target grid were 0- or 1-based when generating the weight file

* if in an xml file the coupling of two components was defined but one of the two was not used in the actual run, a deadlock occured

add a new feature: when user set focus in the fields of source time lag and target time lag, pop up a window "non-negative number"

this is the final version of the API documents. Difference from last version only exist in the class Timesteptab

when user set focus in the source time lag field, a window pop up to warn "non-negative number"