Merge pull request #1932 from rarila/issue-1924

Fix issue #1924
Merge pull request #1927 from jkazimir/comments

Comments for the Frontend/Backend controllers.
Merge pull request #1931 from versh23/issue-1929

fix url for extension on windows hosts
Added server configuration examples

Added server configuration examples for Ubuntu, CentOS, Debian and Amazon Linux
Pass a target dir to Wrapper::create() so that composer.phar ends up in
our cache
Merge pull request #1934 from tk421/master

Added server configuration examples
Merge pull request #1937 from GawainLynch/hotfix/compser-wrapper-targetdir

Pass a target dir to Wrapper::create() so that composer.phar ends up in our cache
Pages with template chooser work again. Fixes #1942.
php53 json error fix
Merge pull request #1943 from rossriley/php53-fixes

php53 json error fix
change a couple more occurrences
Merge pull request #1944 from rossriley/php53-fixes

change a couple more occurrences
add priority to assets
Add pathogen package to composer
New Pathmanager service
Implement pathmanager based paths in ResourceManager
- change constructor parameters to ArrayAccess compatible DI container
- paths are now pathogen based
Application should pass DI container to ResourceManager
For backward compatibility must ensure String or DI based construction
Composer based configuration also could be DI or String based
bootstrap initializes with pathmanager and classloader in DI container