documentation fix

counter example:
private void foo() {
	try {
		ex();
	} catch (StubException e) {
	}
}
documentation fix

Adding this target does not necessarily cause a probe to be added.
In the following example, the nop code only is successor of the ex call,
thus we do not add a probe at the end of the try block. Marking the catch
block as a target does not change this.

private void foo() {
	try {
		ex();
	} catch (StubException e) {
		return;
	}
	nop();
}
without -> with
typo
Merge pull request #249 from C-Otto/docu-fixes

Implementation documentation fixes.
documentation fix: use descriptor instead of description
Merge pull request #253 from C-Otto/descriptor

Documentation fix: use descriptor instead of description
Document insights from jacoco/eclemma#94
Correct vm option syntax.
grammar
Merge pull request #259 from C-Otto/grammar

Documentation grammar correction.
Use ASM pattern of non-abstract methods to address issue raised in #257.
dirty probe stuff