Add ca-certificates (which was in buildpack-deps)
Merge pull request #38 from infosiftr/ca-certificates

Add ca-certificates (which was in buildpack-deps)
Add --enable-soap
Merge pull request #35 from synctree/enable-soap

Add --enable-soap
Keep the source and instead just "make clean"
Add new `docker-php-ext-*` scripts for magic

For example, the following makes WordPress work:

```Dockerfile
RUN apt-get update && apt-get install -y libpng12-dev && rm -rf /var/lib/apt/lists/* \
	&& docker-php-ext-install gd \
	&& apt-get purge --auto-remove -y libpng12-dev

RUN docker-php-ext-install mysqli
```
Make the root more obvious, fix DirectoryIndex to php first
Merge pull request #43 from infosiftr/just-php

Make the root more obvious, fix DirectoryIndex to php first
Merge pull request #41 from infosiftr/keep-the-sauce

Keep the source and instead just "make clean"
Add back make (which we somehow missed)
Merge pull request #44 from infosiftr/make

Add back make (which we somehow missed)
Add FPM variant