* Added template file for the RecordEngine plugin type.
* Changed a bit structure of other plugin template files.
* Added missing functions for some plugin template files.
* Fixed some bugs with OpenEphysLib.cpp file template.
* Typos fixed.

folder.

* Added possibility to select and generate the plugins of appropriate
  available types (Processor, RecordEngine, DataThread, FileSource).
  Now it's only generates appropriate lib files and selects some types
  in processor. However, we should generate different processor files
  for each plugin type later.
* Added possibility to select processor type;
* Some refactoring of existing code and minor fixes;
* Still needs some refactoring of newer code with some improvements.

* Now the plugin will be displayed with friendly name in the GUI;
* Hided some future functionality which is WIP now in
  jucer_ProjectType.h file.

* Basic implemntation of Open Ephys Plugin Generator.
  Now it generates empty processor & editor. To compile plugin with
  current plugin build systems we just need to copy "Source" folder
  of our plugin into plugin-GUI/Source/Plugins/ and give it some
  valuable name.
* ExampleProcessor, ExampleEditor classes refactoring and stylystic
  fixes.