export/hazard:

Include "-poe_N.N-" in filenames for UHS and hazard maps.
tests/export/hazard_test:

Updated export path tests to include poes for hazard maps and UHS.
db/schema/openquake.sql, engine:

Removed mentions of input reuse on some comments.

This functionality was recently removed.
calcs/hazard/general:

Removed some (obsolete) input reuse logic from `initialize_sources`.
fixed ported from hope, applied
removed extra list usage
Merge pull request #1142 from larsbutler/fix-haz-map-uhs-filename

Fix hazard map and UHS export filenames (include PoE)

[r=micheles] [f=1169988]
Merge pull request #1151 from matley/eb-fixes

Fix aggregate loss curve computation
unit tests pass
added risk.writers module
fix signal_task_complete calls
fix scenario damage args order
Merge pull request #1148 from larsbutler/cleanup-input-reuse

Cleanup input reuse

[r=matley] [f=*trivial]
renamed taxonomies_imts to taxonomy_imt
aesthetic change
updated export test
Merge branch 'master' of https://github.com/gem/oq-engine into taxonomies-imt
Merge pull request #1154 from matley/taxonomies-imt

Support non-unique taxonomy -> IMT association across different vulnerability files
remove check on interest rate
changed validation