Move Abstract*Test class files to test directory
Simplified TemporalMemoryTestMachine in preparation for refactoring it into a TemporalMemory subclass
Created InspectTemporalMemory, and refactored temporal memory tests to use it instead of TemporalMemoryTestMachine
Remove temporal memory test machine
Converted InspectTemporalMemory into TemporalMemoryInspectMixin
Moved InspectTemporalMemory* classes into temporal_memory*.py
Merge branch 'master' into issue-1289
Fixed broken test
Better printing of temporal memory connections
Small refactor to clean up code
Made function more flexible
Merge pull request #1286 from chetan51/issue-1285

Move Abstract*Test class files to test directory
Merge branch 'master' into issue-1289
Double quotes instead of single quotes
Merge pull request #1291 from chetan51/issue-1289

Refactor TemporalMemoryTestMachine into a TemporalMemory subclass
Don't install build-essential
It seems to be superfluous and is the source of error in Docker Hub.
Use specyfic tag ubuntu:14.04
Adds NuPIC Walthrough ipython notebook.
Merge pull request #1313 from allanino/issue-1312

Fix broken Docker build
Merge pull request #1316 from scottpurdy/example-notebook

Adds NuPIC Walthrough ipython notebook.