Merge tag '1.0.2' into develop

implement POST for /
Merge tag '1.0.3' into develop

fix error in requirements file
remove php for email post request
move about page into templates dir
fix whitespace
add keywords and description for about
make about extend base
add other_base.html
add other_head block to base
change about to extend other_base
fix image urls
fix image url in about
delete inner header php file
Revert "fix image url in about"

This reverts commit 5eeeea83648095f977db53d8b1d97018941f1ec4.
fix image url in about
Revert "fix image urls"

This reverts commit 9d30eb3aeea23e6dc6d64a338e00488ce7145d8e.
actually fix image urls in other_base
update style on about page
add light grey color variable
use grey-color-light variable in stylesheet