Moved year selector to bottom, together with month selector, and
converted from menu into button row like the months
Company menu:
- select either one company, or "All companies"
- display the selected company name in the button instead of number of
  companies
Fixed layers selector, now toggles on/off each layer correctly
Combined maps and data lists into Static Maps & Data
Added map browser preview to the Static Maps & Data page
Usability and appearance improvements for the pull-down menus
Adapted page design to follow the mock-up
Bug fixes for things like bogus element attributes and typos, and unused
elements that caused layout problems
Combined lists for selected and available layers into one using checkboxes
Layers can be pre-selected by putting their identifiers in the URL fragment
identifier, separated by commas
The static maps page now links to the map browser with the corresponding
layer selected for each entry
Removed obsolete tooltips from main page
Merge branch 'gh-pages' of https://github.com/sdn4nigeria/monitoring-platform into day-6-merged-with-rorys
Merge pull request #7 from Sentido-Labs/day-6-merged-with-rorys

Day 6 merged with rorys