Merge remote-tracking branch 'upstream/master'

Merge remote-tracking branch 'upstream/master'

Fix support for pecl pdo extensions on Ubuntu

Update verbose tag

Update v1 tag

Bump version to 1.9.5

Switch to fixed getcomposer.org links

Add composer fallback

Merge pull request shivammathur#270 from shivammathur/develop

2.4.2

Bump version to 1.9.4

Merge pull request shivammathur#269 from shivammathur/develop

Hotfix

Merge pull request shivammathur#260 from shivammathur/develop

2.4.0