update from  papers/lmer_JSS/
issue #229
check for names of start vector
move troubleshooting advice to separate page
allFit.R tweaks
laplDiag tweaks
README updates
Rbuildignore tweaks
fix Rd format for troubleshooting.Rd
pass additional arguments through qqmath
fix glitch in start-checking code
Merge branch 'master' of ssh://github.com/lme4/lme4
clean up tests
hatvalues documentation
remove comment
example: use preferred 're.form' -- and test old forms (as long as provided)
remove unnecessary gamm4 dependency
tests of Github #231 (refit vs update)
Merge branch 'master' of ssh://github.com/lme4/lme4
add notes on interface issues