Fixed tiny doc bug

* Example for TestNG <= 5.11 was using version 6.3.1.
** Fixed to use 5.11
[SUREFIRE-1056] avoid truncating down to 0 when using forkCount with small core-multiplier
[SUREFIRE-1058] allow (very) simple regular-expressions in group parameter (only has an effect with TestNG)
Fix test for Maven 2
Added docs about tracking forked execution
More docs
[SUREFIRE-1055] Incorrect reported test result for parallel run mode

Test case supplied by Chris Hansen

Fixed

Fix
fixed tests for SUREFIRE[1055]
SUREFIRE [1048] Surefire does not use the total amount of threads specified by threadCount
unit tests for algorithm
PC optimization refactoring (Only unit tests. Missing IT tests refactoring.)
[SUREFIRE-1055] Integration Tests
fixed typos and simplification of documentation
[SUREFIRE-1063] Fix typos and grammatical errors
[SUREFIRE-1062] TestNG listeners on separate lines in pom.xml
[SUREFIRE-1041] Do not crash with NPE in case a JUnit runner fails
Submitted by: Dan Fabulich

o Applied without changes
[SUREFIRE-1041] Created integration test based on sample project provided by Dan Fabulich
fixed build
IT speedup not possible - reverted back
[maven-release-plugin] prepare release surefire-2.17_vote-1