change beta release date in splash screen text to "early next year"

launch won't happen until early next year (not later this year)
change join the community text on home page

discussion group doesn't help users "stay up to date with the latest news on forest clearing"
update layers per last api changes
Merge branch 'develop' of github.com:Vizzuality/gfw into develop
analysis info: set default forma dataset
map: add landsat basemap, resolve #26
Merge pull request #27 from Vizzuality/feature/26

map: add landsat basemap, resolve #26
countries: index: improve country shapes, resolve #28
countries: show: country forest
Merge pull request #29 from Vizzuality/fix/28

countries: index: improve country shapes, resolve #28
countries: index: remove duplicated drawcountry
Merge pull request #31 from Vizzuality/fix/countries-shape

countries: index: remove duplicated drawcountry
analysis: imazon: increase timeline year, fix #33
Merge pull request #34 from Vizzuality/fix/33

analysis: imazon: increase timeline year, fix #33
content updates
Merge pull request #36 from Vizzuality/fix/content-updates

content updates
stick forma to zoom 7, for zoom > 7, fix #37
Merge pull request #38 from Vizzuality/fix/37

stick forma to zoom 7, for zoom > 7, fix #37
show coords in all timelines
Merge pull request #42 from Vizzuality/fix/41

show coords in all timelines