removed void code fragments
(cherry picked from commit 62ee95cafd8464109bf905adab728ec1b63baf1d)

Conflicts:

	mpicbg/src/main/java/mpicbg/models/AbstractModel.java
added serial ids to all coordinatetransforms
(cherry picked from commit 516a320098170a6298404685fd0dbe3567bd7ec9)

Conflicts:

	mpicbg/src/main/java/mpicbg/models/Vertex.java
added identitymodel implementing the existing affineNd interfaces
(cherry picked from commit c9684976860ceaeed3a950d855f20dfc8047ed52)
added interpolatedaffinemodel1d
(cherry picked from commit 714f83e450ee54e303fb7a1039fb071f8c651016)
ImageJ has changed the way how it represents a line as a polygon.
Instead of 2 points it now has 4 points, the first two and the last
two being equal respectively.

I expect this workaround to be somewhat robust to future changes.
(cherry picked from commit fc58c312c549fda4883dc75b7c727c148c0141f1)