Move MapUrlBuilder to services folder.
Add specs for MapUrlBuilder, refactor.
Update views that depends on MapUrlBuilder,  update example description.
Adds an example for maps without markers.
Merge pull request #176 from orendon/refactor-static-map-builder

Refactor and Add specs for google static map builder
Update to rails 3.2.17

Security updates details on: http://weblog.rubyonrails.org/2014/2/18/Rails_3_2_17_4_0_3_and_4_1_0_beta2_have_been_released/
Merge pull request #178 from orendon/rails-3-2-17-security

Update to rails 3.2.17
Merge branch 'master' of https://github.com/orendon/contrib-hub