pre-release2

Allows director to access staging registry (#827)

* Allow changing ports services (#810)

allow dynamic allocation of published port by the swarm
travis optimisation: only pull cache if it is necessary to build

* is795/flash messages (#804)

Refactor and redesign of the frontend messages (FlashMessages)
* They are now implemented as normal separated widgets
* FlashMessenger manages the message queue
* FlashMessenger public methods remain the same
* They show sequentially by order of arrival
* Messages can be closed individually
* Level of message (info, debug, error...) is shown in a small rounded badge before the message
* Messages are stacked up to a maximum allowed number (default is 3)
* Messages move with nice transitions
* Messages show during a time specified by the message length

* File Picker UX (#808)

* setProgress to 100 when file selected
* Do not set progress to 0 in FilePicker when starting the pipeline
* Select file when reopening FilePicker if any preselected
* hide file uuid to regular users
* preselect uploaded file in filePicker

* Split repository: move dynamic services to osparc-services repo (#820)

* moved dy services to osparc-services repository
* removed services dedicated scripts

* Is822/director access registry bearer (#824)

* director tries to authenticate with registries following token authentication, basic authentication or no authentication
* listing repos/tags now supports pagination
* added configuration to define service prefix name

pre-release1

Allow changing ports services (#810) (#812)

allow dynamic allocation of published port by the swarm
travis optimisation: only pull cache if it is necessary to build