Merge branch 'composer-aliasing'

* composer-aliasing:
  Adding a branch-alias for master branch to represent 1.0
Improving instructions to utilize branch-alias and to support 5.3 compatibility.
Revert "Commenting out abstracts for PHP 5.3.3"

This reverts commit d783239919672d1268d0e42c4b76f6cf415bbba1.
Merge branch 'develop'

* develop:
  Revert "Commenting out abstracts for PHP 5.3.3"
  Commenting out abstracts for PHP 5.3.3