Add container to all table.gp-table to make them scroll horizontally when needed

[webdados]

Problem

See #1825

Solution

This PR adds a DIV around all TABLE.gp-table to make them scroll horizontally whenever they do not fit on the viewport width, thus avoiding an horizontal scroll on all the page.

To-do

• Wrap tables around a container
• Create responsive CSS rules to narrow the table size on lower resolutions (without creating legibility problems) and try to avoid the container scroll whenever possible

Testing Instructions

1. Go to any page with a table
2. Resize your screen horizontally until you get a horizontal scroll bar around the table (and not the all viewport)

Screenshots or screencast