Changes to OTF:
	- configure: fixed warnings from automake 1.12.x

Changes to VT:
	- general:
		- incremented version number to 5.14.2
	- configure:
		- fixed warnings from automake 1.12.x
	- VT libs / MPI wrappers:
		- do initialize VT and enter the dummy main function ("user") if MPI_Initialized is the very first event to be recorded (fixed assertion error)
		- leave the dummy main function on the same thread where it is entered (fixes potential stack underflow)