fix datatraversing
Fix bug in case module.url is not defined during migration
fix array_search
remove default user-agent margins
[module] form_simple : Editing templates in html mode
[module] form_simple : Add custom button label
change onVarGet

the "update" method of the module's view is only called if data is
valid, removing the need to actually check that in each implementation
of the update.
fix dataGetter for undefined values
[module] 2d_list : add click event and fix #95
[module] 2d_list : can send action on click
[module] 2d_list : implement highlights
For ySeries allow to specify the min and max value on the X axis
[module] template-twig : now renders without input data
Generate event only if there is a value change
Allow long chain of character to span on multiple line
pouchtovar : can specify replication direction
fix bug when no general variable is set
add support for custom usr dir location

new config property : usrDir (default: "usr")
add when component
Promise shim