[Kst] kdeextragear-2/kst

[George Staikos]

CVS commit by staikos: 

- plugins are modules, not libraries
- fix warnings
- fix possible crashes in the plugin loader
- cosmetic changes to the manager
- load plugins from system directories too, with precedence given to user
  directories (should add XDG directories later)


  M +54 -23    kst/plugincollection.cpp   1.12
  M +2 -0      kst/plugincollection.h   1.10
  M +3 -2      kst/pluginmanager.ui.h   1.14
  M +2 -2      plugins/autocorrelation/Makefile.am   1.3
  M +3 -3      plugins/chop/Makefile.am   1.3
  M +3 -3      plugins/crosscorrelation/Makefile.am   1.3
  M +2 -2      plugins/linefit/Makefile.am   1.3
  M +1 -1      plugins/linefit/linefit.cpp   1.2
  M +3 -3      plugins/periodogram/Makefile.am   1.3
  M +3 -3      plugins/phase/Makefile.am   1.4
  M +3 -3      plugins/statistics/Makefile.am   1.3