Create version 1.5.1
Start version 1.5.2
Update the setup.py and version.cfg

Add some requirements for Travis and pip

Move the required version from the version.cfg to setup.py (pip don't
use the version.cfg)
Merge pull request #1130 from camptocamp/pip-travis

Update the setup.py and version.cfg
Use check_call do avoid having hidden errors
Add the missing format change (string to JSON)
Use a rebase pull and verify that's OK
Merge pull request #1132 from camptocamp/c2ctool-rebase

Safer opperations in c2ctool
Merge pull request #1135 from camptocamp/mobile-fix

Add the missing format change (string to JSON)
By default "www-data" don't have any rights on postgis table

Due wrong dependencies between puppet modules.
Merge pull request #1140 from camptocamp/docs-wwwdata

By default "www-data" don't have any rights on postgis table
Merge remote-tracking branch 'origin/1.5'

Conflicts:
	c2cgeoportal/scaffolds/create/versions.cfg
	c2cgeoportal/scaffolds/update/CONST_CHANGELOG.txt_tmpl
	setup.py
Fix the Layers type.

The type in the polymorphic_identity can't be larger then the column
width (10).
Merge pull request #1144 from camptocamp/fix-db-type

Fix the Layers type.
Automatically do a release when we create a tag with the version name
Merge pull request #1145 from camptocamp/autorelease

Automatically do a release when we create a tag with the version name
Fix downgrade script
Add ordering in the relation