style
refactoring: use params.slice
Could not find rake-10.3.2 in any of the sources

Ruby on Rails application could not be started

These are the possible causes:
There may be a syntax error in the application's code. Please check for
such errors and fix them.
A required library may not installed. Please install all libraries that
this application requires.
The application may not be properly configured. Please check whether
all configuration files are written correctly, fix any incorrect
configurations, and restart this application.
A service that the application relies on (such as the database server
or the Ferret search engine server) may not have been started. Please
start that service.
Further information about the error may have been written to the
application's log file. Please check it in order to analyse the problem.
Error message:
Could not find rake-10.3.2 in any of the sources (Bundler::GemNotFound)
Exception class:
PhusionPassenger::UnknownError
Application root:
/var/www/renew
Merge branch 'master' of https://github.com/Unact/Renew
Merge branch 'master' into releases