environment_indicator 7.x-2.8

Issue #2378025 by ilkkave [BUGFIX] Fix PDO Exception for duplicates

e10ef5e by git
The machine name is not quoted anymore leading to duplicates when
saving the environment indicator record.

Issue #2426915 by gifad [BUGFIX] Use port in environment switcher

a6d5cdd by gifad
Pass the port information when opening the current page in a
different environment.

Issue #2573423 [BUGFIX] Prevent jQuery error with once plugin

fed6700 by guschilds
Avoid generating an error in newer jQuery versions with the way we
are using jQuery.once().

[BUGFIX] Sort environments list by weight

bd664ae by danepowell
Use the weight property to sort the environments list in the admin
screen, instead of sorting by alphabetic order.