Metasploit::Model::Architecture seed

[#50752269]

Put common part of Mdm::Architecture seed into metasploit-model so it
can be shared to check seeds fo Mdm::Architecture and
Metasploit::Model::Architecture.
Add seeds to Metasploit::Model::Architecture spec

[#50752269]

The seeds need to the same for metasploit_data_models and
metasploit-framework, so add the seed attribute checks to the shared
example.
Add dalvik as an architecture.

[#56004960]
Add python architecture

[#56004960]
Merge pull request #3 from rapid7/bug/dalvik-python-architectures

[Delivers #56004960] - Dalvik and Python architectures
Merge branch 'feature/module-caching' into feature/search

Conflicts:
	lib/metasploit/model/version.rb
	spec/support/shared/examples/metasploit/model/architecture.rb