Renames tutorial folders and updates README (uber#71)

* Renames tutorial folders and updates README

Tutorial folders are better named with just tutorial1, tutorial2,...
The README's now contain more information on how to get started with them.
Added podfile.lock and xcworkspace to gitignore

.gitignore

@@ -120,6 +120,8 @@ xcuserdata/
 
 # CocoaPods
 Pods/
+Podfile.lock
+*.xcworkspace/
 
 
 ### Other ###

ios/tutorials/tutorial1/README.md

@@ -0,0 +1,14 @@
+# RIBs Tutorial 1: Creating a RIB
+
+This project is the starting point for [tutorial 1](https://github.com/uber/RIBs/wiki/iOS-Tutorial-1) that will get you aquatinted with the RIBs architecture.
+
+### Getting started
+First you need to install pods for the tutorial:
+
+```
+gem install cocoapods # In case you don't have it
+cd <RIBs path>/ios/tutorials/tutorial1
+pod install
+```
+
+Then, open the TicTacToe.xcworkspace that was generated by `pod install` and follow the steps described in [tutorial 1](https://github.com/uber/RIBs/wiki/iOS-Tutorial-1) on the RIBs wiki.

ios/tutorials/tutorial2/README.md

@@ -0,0 +1,14 @@
+# RIBs Tutorial 2: Composing RIBs
+
+This project is the starting point for [tutorial 2](https://github.com/uber/RIBs/wiki/iOS-Tutorial-2) that will get you aquatinted with the RIBs architecture.
+
+### Getting started
+First you need to install pods for the tutorial:
+
+```
+gem install cocoapods # In case you don't have it
+cd <RIBs path>/ios/tutorials/tutorial2
+pod install
+```
+
+Then, open the TicTacToe.xcworkspace that was generated by `pod install` and follow the steps described in [tutorial 2](https://github.com/uber/RIBs/wiki/iOS-Tutorial-2) on the RIBs wiki.

ios/tutorials/tutorial3/README.md

@@ -0,0 +1,15 @@
+# RIBs Tutorial 3: RIB Depenmdency Injection and Communication
+
+
+This project is the starting point for [tutorial 3](https://github.com/uber/RIBs/wiki/iOS-Tutorial-3) that will get you aquatinted with the RIBs architecture.
+
+### Getting started
+First you need to install pods for the tutorial:
+
+```
+gem install cocoapods # In case you don't have it
+cd <RIBs path>/ios/tutorials/tutorial3
+pod install
+```
+
+Then, open the TicTacToe.xcworkspace that was generated by `pod install` and follow the steps described in [tutorial 3](https://github.com/uber/RIBs/wiki/iOS-Tutorial-3) on the RIBs wiki.

ios/tutorials/tutorial4/README.md

@@ -0,0 +1,14 @@
+# RIBs Tutorial 4: Deep Linking
+
+This project is the starting point for [tutorial 4](https://github.com/uber/RIBs/wiki/iOS-Tutorial-4) that will get you aquatinted with the RIBs architecture.
+
+### Getting started
+First you need to install pods for the tutorial:
+
+```
+gem install cocoapods # In case you don't have it
+cd <RIBs path>/ios/tutorials/tutorial4
+pod install
+```
+
+Then, open the TicTacToe.xcworkspace that was generated by `pod install` and follow the steps described in [tutorial 4](https://github.com/uber/RIBs/wiki/iOS-Tutorial-4) on the RIBs wiki.