Added ability to change font size.
Fixed text placement issues when adding text to ad

Wasn't correctly calculating x and y values using view offset and text
baseline
Updated manifest to include Text and Logo activities
Made the editor layout relative and made it prettier.
fixed conflict
Retrieve list of companies from serve and use list to suggest company tags.

This is done in the editor activity, so can be called many times. To
make it more efficient it should be done once on login, and stored in a
local file.

Also, it is done in the main thread when it should be done in a
different one.
Merge pull request #47 from elihart/master

Adding text now works. Cleaned up the editor layout. Synced company suggestion list with server company list.