CONSOLE-2426: Cypress & Protractor: Optimized shell and yarn scripts

[dtaylor113]

This PR dramatically enhances the test-cypress.sh script to allow running Cypress tests in different 'packages' (console, olm, and devconsole); running the Test Runner UI or in -- headless mode, as well as specifing --spec mask/glob for test files.

This PR also updates the test-gui.. shell script and yarn scritps to test-protractor.. for clarity.

test-cypres.sh enhancements

Waiting on #6776 to merge in order to use "test-cypress-devconsole" & "test-cypress-devconsole-headless" yarn scripts.

console>./test-cypress.sh

Runs Cypress tests in Test Runner or headless mode
Usage: test-cypress [-p] <package> [-s] <filemask> [-h true]
  '-p <package>' may be 'console, 'olm' or 'devconsole'
  '-s <specmask>' is a file mask for spec test files, such as 'tests/monitoring/*'. Used only in headless mode when '-p' is specified.
  '-h true' runs Cypress in headless mode. When omitted, launches Cypress Test Runner
Examples:
  test-cypress.sh                                       // displays this help text
  test-cypress.sh -p console                            // opens Cypress Test Runner for console tests
  test-cypress.sh -p olm                                // opens Cypress Test Runner for OLM tests
  test-cypress.sh -h true                               // runs all packages in headless mode
  test-cypress.sh -p olm -h true                        // runs OLM tests in headless mode
  test-cypress.sh -p console -s 'tests/crud/*' -h true  // runs console CRUD tests in headless mode

JIRA Story: https://issues.redhat.com/browse/CONSOLE-2426

test-gui.. changes

test-gui.sh -> test-protractor.sh

package.json:
-    "test-gui-tap": "TAP=true yarn test-gui",
-    "test-gui-openshift": "yarn test-suite --suite crud --params.openshift true",
-    "test-gui": "yarn test-suite --suite all",
-    "test-suite": "yarn ts-node ./node_modules/.bin/protractor integration-tests/protractor.conf.ts",
-    "debug-test-suite": "TS_NODE_COMPILER_OPTIONS='{\"module\":\"commonjs\"}' node -r ts-node/register...    
+    "test-protractor-tap": "TAP=true yarn test-protractor",
+    "test-protractor-openshift": "yarn test-protractor-suite --suite crud --params.openshift true",
+    "test-protractor": "yarn test-protractor-suite --suite all",
+    "test-protractor-suite": "yarn ts-node ./node_modules/.bin/protractor integration-tests/protractor.conf.ts",
+    "debug-protractor-suite": "TS_NODE_COMPILER_OPTIONS='{\"module\":\"commonjs\"}' node -r ts-node/register --in

*README.md file updated accordingly

[dtaylor113]

/retest

[dtaylor113]

/retest

[spadgett]

/retest

[spadgett]

/lgtm

[spadgett]

/lgtm

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