fix ternary shell operation in start script
Merge pull request #34 from tsloughter/master

fix ternary shell operation in start script
replace use of wildcard ** since it is not in <R16 Erlang
Merge pull request #36 from tsloughter/master

replace use of wildcard ** since it is not in <R16 Erlang
place release logs dir in root of release dir structure
Merge pull request #37 from tsloughter/master

place release logs dir in root of release dir structure
support copying full directories in overlays
Merge pull request #38 from tsloughter/master

support copying full directories in overlays
remove extend script overriding bindir variable after it is set
Merge pull request #39 from tsloughter/foreground_erts_fix

remove extend script overriding bindir variable after it is set
fix crash instead of error message for bad target action
only print usage on opt_parse error or new option -h
fix config option type in readme
fix verbose value range in readme
simplify and improve README
improved user output look
fix dialyzer issues
rename examples to relx from relcool
Merge pull request #40 from tsloughter/master

Misc fixes, log improvements and README improvements
fix bug in override resolution