Compile error fixed
fix a grammar error
Merge branch 'master' of git://git.lumiera.org/LUMIERA
Section: Plugins/Interfaces; introductory text, initial draft.

First piece of introductory text for the Plugins/Interfaces
section. Only a somewhat long introduction of what plugins are.
TODO: discussed the 'what' of plugins, and possibly a little of
the 'why' of plugins, still require the 'how'.
Section Plugins/Interfaces: subsections added and text corrected.
Glossery terms sorted
AssetsView corrected: syntax only.

Only changes here are English, sense should be the same.
Builder corrected: english syntax only.
ConfigSystem_Prefences: english syntax corrected.
Cursor: upper/lower case change
InputDevice: english corrected
OutputDesignation: english corrected
OutputManager: english corrected
OutputMapping: english corrected
OutputSlot: upper/lower case corrected
Pipes: english corrected
Sequence: english corrected
ProcessingGraph: text slightly expanded
Project: corrcted and text slightly modified
RenderTask: corrected