--package argument deprecation (conan-io#1317)

Author: DodoMomo

reference/commands/misc/copy.rst

@@ -20,9 +20,9 @@ them from one user to another.
       user_channel          Destination user/channel. e.g., lasote/testing
 
     optional arguments:
-      -h, --help            show this help message and exit
+      -h, --help            show this help message and exit 
       -p PACKAGE, --package PACKAGE
-                            copy specified package ID
+                            copy specified package ID [DEPRECATED: use full reference instead]
       --all                 Copy all packages from the specified package recipe
       --force               Override destination packages and the package recipe
 

reference/commands/misc/download.rst

@@ -26,7 +26,7 @@ If no remote is specified, it will use the default remote.
       -h, --help            show this help message and exit
       -p PACKAGE, --package PACKAGE
                             Force install specified package ID (ignore
-                            settings/options)
+                            settings/options) [DEPRECATED: use full reference instead]
       -r REMOTE, --remote REMOTE
                             look in the specified remote server
       -re, --recipe         Downloads only the recipe
@@ -44,7 +44,7 @@ If no remote is specified, it will use the default remote.
 
   .. code-block:: bash
 
-      $ conan download OpenSSL/1.0.2i@conan/stable -r foo -p 8018a4df6e7d2b4630a814fa40c81b85b9182d2
+      $ conan download OpenSSL/1.0.2i@conan/stable:8018a4df6e7d2b4630a814fa40c81b85b9182d2 -r foo
 
 - Download only the recipe of package **OpenSSL/1.0.2i@conan/stable** from the remote **foo**: