[Kst] kst_threading_branch: kdeextragear-2/kst/kst

[George Staikos]

CVS commit by staikos: 

- more locking
- make the regression tests pass (fix deadlock, infinite loop)


  M +1 -1      kst.cpp   1.64.2.3
  M +4 -0      kstcurvedialog_i.cpp   1.29.4.2
  M +6 -0      kstdatamanager_i.cpp   1.43.2.3
  M +7 -0      kstdoc.cpp   1.48.2.6
  M +4 -0      ksteqdialog_i.cpp   1.33.2.2
  M +4 -0      ksthsdialog_i.cpp   1.34.2.2
  M +20 -9     kstiface_impl.cpp   1.13.2.4
  M +4 -0      kstplugindialog_i.cpp   1.46.2.4
  M +4 -0      kstpsddialog_i.cpp   1.27.2.2
  M +2 -0      kstquickcurvesdialog_i.cpp   1.28.2.2
  M +6 -0      kstquickpsddialog_i.cpp   1.28.2.2
  M +2 -0      kstview.cpp   1.63.2.1
  M +14 -0     main.cpp   1.47.2.2