Add the ability to enable plugins in the installer

Flanpy

2014-11-12 b8837e3f43aac8ed64d52d9046a6822521fb1fe1

 composer.json-dist

@@ -13,10 +13,6 @@
        },
        {
            "type": "vcs",
            "url": "git@github.com:roundcube/sample-plugin.git"
        },
        {
            "type": "vcs",
            "url": "git://git.kolab.org/git/pear/Net_LDAP3"
        },
        {
@@ -34,7 +30,7 @@
    ],
    "require": {
        "php": ">=5.3.7",
        "roundcube/plugin-installer": ">=0.1.3",
        "roundcube/plugin-installer": ">=0.1.5",
        "pear/mail_mime": ">=1.8.9",
        "pear/mail_mime-decode": ">=1.5.5",
        "pear/net_smtp": "dev-master",