Added doc on default APIs and enabled non-default APIs (#498)

Signed-off-by: Adrian Sutton <adrian.sutton@consensys.net>

docs/Reference/JSON-RPC-API-Methods.md

@@ -10,6 +10,9 @@ The following lists the Pantheon JSON-RPC API commands:
 
 ## Admin Methods
 
+!!! note
+    The `ADMIN` API is not enabled by default. Use the [`--rpc-api` option](Pantheon-CLI-Syntax.md#rpc-api) to enable the `ADMIN` API.
+
 ### admin_peers
 
 Returns networking information about connected remote nodes. 
@@ -1687,6 +1690,9 @@ If the boolean value is `true`, the proposal is to add a signer. If `false`, the
 
 ## Debug Methods
 
+!!! note
+    The `DEBUG` API is not enabled by default. Use the [`--rpc-api` option](Pantheon-CLI-Syntax.md#rpc-api) to enable the `DEBUG` API.
+
 ### debug_metrics
 
 !!!note
@@ -1870,6 +1876,9 @@ Reruns the transaction with the same state as when the transaction was executed.
 
 ## Miner Methods
 
+!!! note
+    The `MINER` API is not enabled by default. Use the [`--rpc-api option`](Pantheon-CLI-Syntax.md#rpc-api) to enable the `MINER` API.
+
 ### miner_start
 
 Starts the CPU mining process. To start mining, a miner coinbase must have been previously specified using the [`--miner-coinbase`](../Reference/Pantheon-CLI-Syntax.md#miner-coinbase) command line option.  

docs/Reference/Pantheon-CLI-Syntax.md

@@ -413,7 +413,7 @@ The default is 127.0.0.1:8545.
 
 Comma-separated APIs to enable on the JSON-RPC channel.
 When you use this option, the `--rpc-enabled` option must also be specified.
-The available API options are: `ETH`, `NET`, `WEB3`, `CLIQUE`, `IBFT`, `DEBUG`, and `MINER`.
+The available API options are: `ADMIN`, `ETH`, `NET`, `WEB3`, `CLIQUE`, `IBFT`, `DEBUG`, and `MINER`.
 The default is: `ETH`, `NET`, `WEB3`, `CLIQUE`, `IBFT`.
 
 !!!note

docs/Reference/Using-JSON-RPC-API.md

@@ -70,6 +70,15 @@ Send individual requests as a JSON data package at each prompt:
 
 The [RPC Pub/Sub methods](../Using-Pantheon/RPC-PubSub.md) can also be used over WebSockets.
 
+### APIs Enabled by Default
+
+The `ETH`, `NET`, `WEB3`, `CLIQUE`, and `IBFT` APIs are enabled by default. 
+
+Use the [`--rpc-api` option](Pantheon-CLI-Syntax.md#rpc-api) to enable the `ADMIN`, `DEBUG`, and `MINER` APIs.
+
+!!!note
+    :construction: IBFT is not currently supported. Support for IBFT is in active development. 
+
 ### Block Parameter
 
 When you make requests that might have different results depending on the block accessed,