CheckIO: fix crash
Fixed #4963 (cppcheck and testrunner Visual Studio 2008 build failure)
Check64Bit: Fixed false positive about returning integer for 'p+(n*80)'
testtokenize: split up large testcases for simplifying math functions.
commaSeparatedReturn: made checking experimental for now because there are false positives (#5076)
Tokenizer:simplifyMathFunctions: added support for acosh[f|l]() functions.
travis: use -j 4 to build cppcheck, the testrunner and cppcheck-gui.
make install: install cppcheck-htmlreport as well.
travis: also check "make install"
Merge pull request #179 from matthiaskrgr/travis_speedup

travis: use -j 4 to build cppcheck, the testrunner and cppcheck-gui.
Merge pull request #178 from matthiaskrgr/make_install

Make install: install cppcheck-htmlreport and cppcheck-gui (if binary is compiled), make travis also perform make install.
travis: check if cppcheck-htmlreport works with xml2 + --inconclusive output.
travis: add another check for xml2 + inconclusive + verbose.
Fixed #5077 (False positive: Comparison of boolean result with relational operator ((X + (Y < 0)) <= b))
Merge pull request #180 from matthiaskrgr/travis

travis: check cppcheck-htmlreport compatibility with --inconclusive and --verbose flags
Testother: split up a large testfunction, no functional change.
Tokenizer:simplifyMathFunctions: added support for acos[f|l] functions.
Test that there is no segfault in CheckOther::checkZeroDivisionOrUselessCondition when the SymbolDatabase is invalid. Ticket: #5045
travis: check htmlreport via --errorlist output
travis: check all xml files cppcheck generated during tests of htmlreport via xmllint as suggested in 'createrelease'.