This allows calc and calcout record expressions to be up to
79 characters long, and shortens the postfix buffer needed by
introducing integer literals. Also removes the length limit
for access security CALC expressions.
Removed all Main.cpp files, use the macro in testMain.h instead and
defaulted all argc/argv parameters.
Converted all real test programs to use epicsUnitTest.h.
Moved performance measurements from epicsThreadTest to epicsThreadPerform.
Moved epicsOkToBlockTest tests into epicsThreadTest.
On a host arch, make test inside the O.arch directory runs all tests.
