Add preliminary changelog for v0.3.0
Cache binaries
Add info message when fetched from cache
Cache composer.phar
Indent output of composer self-update
Add note about caching
Add script for generating checksums
Fix typo
Add script to compile shared redis package
Use only *.tgz for generating manifest versions
Do not install composer dev dependencies
Merge branch 'development' into feature/shared-exts
Add new extension packaging system
Add newrelic support
Fix function call
Move some functions around
Set PATH to build dir
Test output
test php-config
Fetch php api version with php-config