Added Tippy.js and Popper.js (v2.0) to dependencies.

(Redmine issue: #3387)

package.json

@@ -22,6 +22,7 @@
     },
     "dependencies": {
         "@fortawesome/fontawesome-free": "^5.6.1",
+        "@popperjs/core": "^2.1.0",
         "bootstrap": "^3.4.0",
         "bootstrap-datepicker": "^1.7.1",
         "bootstrap-select": "^1.13.5",
@@ -45,6 +46,7 @@
         "moment": "^2.23.0",
         "moment-timezone": "^0.5.23",
         "nvd3": "^1.8.6",
-        "popper.js": "^1.15.0"
+        "popper.js": "^1.15.0",
+        "tippy.js": "^6.0.1"
     }
 }

yarn.lock

@@ -7,6 +7,11 @@
   resolved "https://registry.yarnpkg.com/@fortawesome/fontawesome-free/-/fontawesome-free-5.12.1.tgz#2a98fea9fbb8a606ddc79a4680034e9d5591c550"
   integrity sha512-ZtjIIFplxncqxvogq148C3hBLQE+W3iJ8E4UvJ09zIJUgzwLcROsWwFDErVSXY2Plzao5J9KUYNHKHMEUYDMKw==
 
+"@popperjs/core@^2.1.0":
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/@popperjs/core/-/core-2.1.0.tgz#09a7a352a40508156e1256efdc015593feca28e0"
+  integrity sha512-ntN5t5spqhQv28cLfmmt1dYabsudzR5A7PU15gr/gzcT/gzqAOnYFQPaLPFraDa7ZCJG2eJ1JsO7pgXbYXGIrw==
+
 abbrev@1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.1.tgz#f8f2c887ad10bf67f634f005b6987fed3179aac8"
@@ -50,11 +55,6 @@ ajv@^6.5.5:
     json-schema-traverse "^0.4.1"
     uri-js "^4.2.2"
 
-ansi-regex@*:
-  version "5.0.0"
-  resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-5.0.0.tgz#388539f55179bf39339c81af30a654d69f87cb75"
-  integrity sha512-bY6fj56OUQ0hU1KjFNDQuJFezqKdrAyFdIevADiqrWHwSlbmBNMHp5ak2f40Pm8JTFyM2mqxkG6ngkHO11f/lg==
-
 ansi-regex@^2.0.0:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-2.1.1.tgz#c3b33ab5ee360d86e0e628f0468ae7ef27d654df"
@@ -1549,7 +1549,7 @@ iferr@^0.1.5:
   resolved "https://registry.yarnpkg.com/iferr/-/iferr-0.1.5.tgz#c60eed69e6d8fdb6b3104a1fcbca1c192dc5b501"
   integrity sha1-xg7taebY/bazEEofy8ocGS3FtQE=
 
-imurmurhash@*, imurmurhash@^0.1.4:
+imurmurhash@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/imurmurhash/-/imurmurhash-0.1.4.tgz#9218b9b2b928a238b13dc4fb6b6d576f231453ea"
   integrity sha1-khi5srkoojixPcT7a21XbyMUU+o=
@@ -3252,6 +3252,13 @@ time-zone@^0.1.0:
   resolved "https://registry.yarnpkg.com/time-zone/-/time-zone-0.1.0.tgz#4a7728b6ac28db0e008f514043fd555bd5573b46"
   integrity sha1-Sncotqwo2w4Aj1FAQ/1VW9VXO0Y=
 
+tippy.js@^6.0.1:
+  version "6.0.1"
+  resolved "https://registry.yarnpkg.com/tippy.js/-/tippy.js-6.0.1.tgz#8556e9a94c99059e6ccde6f0c92fd880195e73ab"
+  integrity sha512-b69hYyVLRcgo1H8NQ6MrBYnxp0YzznuRhUfefGdYTLYlsYTznIXCpN0ym0hCwnB8CcSItOOustPbY2A/aRfbkw==
+  dependencies:
+    "@popperjs/core" "^2.1.0"
+
 tough-cookie@~2.3.0, tough-cookie@~2.3.3:
   version "2.3.4"
   resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-2.3.4.tgz#ec60cee38ac675063ffc97a5c18970578ee83655"