Those 3 properties are flagged as optional in AWS's docs.

Made a mistake in my previous commit - this one actually reflects the
docs.

Subclassed Template into an object able to analyze and create
Troposphere objects based on an existing CloudFormation Template.

Conditions are missing - working on it.,

This removal helps inspection of the Configuration class to enable
automating troposphere object creation.

Added UpdatePolicy, CreationPolicy, DeletionPolicy, Metadata and
DependsOn discovery.

Special AWSHelperFn typically take lowercased parameters, but templates
use uppercase. for this reason we cannot map to most of them, so we
fallback with a generic one. This might not work for all types if they
do extra processing in their init routine but makes tests pass :)

S3 Bucket used a 'name' argument and put that into the 'title' of the
AWSBaseObject. This modification is backward compatible and allows
'name' to be substituted by 'title' in the kwargs.

AWSHelperFn are ignored in AWSObjectBase, it's not necessary to flag
them in props anymore.

…dformation'"

This reverts commit e64c26a, reversing
changes made to 89caac9.