1. Edited plugin.yml file
2. Removed extra setTabCompleter when plugin starts
3. Removed voicechat as depend in plugin.yml for convenient work of check in onEnable

1. plugin.yml updated
2. /voice reload command added
3. New permission added: voicechat.reward.reload
4. TabCompleter implemented for /voice reload command
5. 2 new actions added: reload/noPermsReload
6. New key "settings.voicechatVersion" added for checking the current version of Voicechat in the onEnable method
7. Updated structure of the Voicechat_reward and CommandHandler classes

Fix message for key "install" and "noPerms" --> broadcast move to player message