update to match cakephp/cakephp#5199
add a call to Router::defaultRouteClass

Partly to make sure that users know it exists and is possible
update comment to mention casing pitfalls
update fallbacks comment
correct doc blocks for consistency
Merge pull request #176 from cakephp/fallback-routes-class

Update routes usage for fallbacks
Use composer instead of PEAR to get codesniffer.
Use travis' newer infrastructure.
Try using realpath.
Don't global install.
Merge pull request #184 from cakephp/codesniffer

Use composer instead of PEAR to get codesniffer
Update error400 and error500 error pages to use new layout.

Use the new layout in CakePHP core for the 'dev' version of error pages.
add interactive prompt for folder permissions in composer postInstall
put askAndValidate in composer postInstaller
fix codesniffer
refix codesniffer
add comment to throws
Merge pull request #187 from cake17/interactive-ask-permissions

Interactive ask permissions
Merge pull request #186 from cakephp/error-pages

Update error400 and error500 error pages to use new layout.
Makes home h1 browser consistent