gis engine support for automated disconnection mobility events + wireless type priority specific poa selection

connected, wireless & wirelessType parameters in model + DISCONNECTED mobility event support + TC Engine fixes + UT updates

user-chart folder creation and demo2 documentation update

Changes:
- Added code to add user-charts folder in ~/.meep/virt-engine as part of deploy process
- Create new file to build demo2 which will copy demo2 to ~/.meep/virt-engine/

Tests:
- All UT's and cypress tests passed
- Manual testing of demo2 worked correctly

Fixed Net Char Event displays values without selecting an element

Added reset element function in store instead of updating the element on network-charac container close

Changes:
- onUpdateElement was getting called separately for type and name, so the change in type was not happening because of timing delay.
So added separate code for updating it only once.
- Removed 8081 port for MEEP_HOST in package.json since it is not required now

Test:
- All UT's and Cypress test passed
- Manually checked, the old behaviour is not observed

Session Keepalive

Supporting K8s 1.19 in current setup

Changes:
- Changed 'OPERATOR GENERIC' to 'OPERATOR' and 'POA GENERIC' to 'POA' in cypress-exec-spec test
- Changed for loop from 'Array of Objects' to 'Object Array' of Element Types
- Changes for MEEP_BTN_CANCEL and MEEP_BTN_APPLY in data-cy for having only one in DOM

Tests:
- All UT's and Cypress passed
- Checked manual deployment of sandbox and scenario

Removed the conditional checks in helper file and added hardcoded values in deployment and statefulset

Changes:
- Added condition for checking apiversion support of statefulset and
deployment in couchdb, kube-state-metrics and redis (master and slave)
- Changed apiversion from harcoded values to read from helpers file in
statefulset and deployment in couchdb, kube-state-metrics and redis (master and slave)
- Changed wait time for Sandbox creation and scenario deployment in Cypress
tests from 10 sec to 15 sec

Tests:
- All UT's passed
- All Cypress test cases passed
- Manually checked deploying scenarios demo1 and demo2

Retention of Manual Event Creation fields on changing tabs

- Removed commented code
- Added code to update element type list based on scenario selected

Changes:
1. Added '@' as alias for src folder for having absolute path while importing
2. Added Mobility Event target and destination to state for retention
3. Disabled loading Mobility event as default
4. Added clearing all fields funtionality on clicking Close button
5. Disabled local state in Component and changed it to global state
6. Added value field to Tags where it was missing.

Testing:
Cypress & UT pass
Manual testing of Event Fields and changing the values

Added initContainer for dependency check of DNS service in scenario pods

Changes:
- Added InitContainer configuration to sidecarconfig file
- This change will work for Virt-Engine chats as well as User defined charts

Tests:
- Cypress and UT's passed
- Checked manual logs in containers after deploying demo1 and demo2 scenario

Merge 'stf-beta' feature branch to 'develop'

User Roles & API Access Permissions

Added DNS lookup with init container for pods in core platform