Adding the efilter query language.

BUG=

Review URL: https://codereview.appspot.com/165660043
Initial implementation of dumpfiles plugin.

R=adam.sindelar@gmail.com

Review URL: https://codereview.appspot.com/171280043
Analyze/describe/find plugins greatly enhanced.

BUG=
R=scudette@gmail.com

Review URL: https://codereview.appspot.com/167640043
Fixed Bugs

* All tests are now passing.
* Added a TLB to the paging ASs to make them go faster.

Review URL: https://codereview.appspot.com/167660044
Test failures should return non zero exit.

BUG=

Review URL: https://codereview.appspot.com/169560043
More debugging travis.

BUG=

Review URL: https://codereview.appspot.com/174140043
Fixed a bug in scanning optimization.

BUG=
R=adam.sindelar@gmail.com

Review URL: https://codereview.appspot.com/173220043
Cleanup MIPS Address Space, re-use IA32PagedMemory.
Turned on type system and added support for search-based plugins.

Also fixed a bunch of bugs.

BUG=
R=scudette@gmail.com

Review URL: https://codereview.appspot.com/175080043
Merge pull request #32 from KarlVogel/mips-cleanup

Cleanup MIPS Address Space, re-use IA32PagedMemory.