[CI] try to use trusty on travis to fix error with PIL
[CI] try to use trusty on travis to fix error with PIL

  File "/home/travis/odoo-8.0/openerp/addons/base/res/res_partner.py", line 325, in _get_default_image
    image = tools.image_colorize(image)
  File "/home/travis/odoo-8.0/openerp/tools/image.py", line 186, in image_colorize
    image.paste(color)
  File "/home/travis/.local/lib/python2.7/site-packages/PIL/Image.py", line 1319, in paste
    "cannot determine region size; use 4-item box"
ParseError: "cannot determine region size; use 4-item box" while parsing /home/travis/odoo-8.0/addons/auth_signup/auth_signup_data.xml:6, near
<record id="default_template_user" model="res.users">
            <field name="name">Template User</field>
            <field name="login">portaltemplate</field>
            <field name="active" eval="False"/>
            <!-- Avoid auto-including this user in any default group, just like a typical portal member -->
            <field name="groups_id" eval="[(6, 0,  [ref('base.group_portal')])]"/>
            <!-- allow signuped users to have a alias -->
            <field name="alias_name">_usertemplate</field>
        </record>
2017-01-03 12:51:45,475 5491 INFO openerp_template openerp.service.server: Initiating shutdown

it-projects-llc/pos-addons,it-projects-llc/pos-addons,it-projects-llc/pos-addons