Fixes a few typos.
Fixed a typo
Typo: "ServiceReciver"
Update 2014-04-01-android-notifications.md
updated collection-view article - add rows
More travis script fix

I spent hours debugging an annoying keychain problem, which turned out to be a default timeout of 5 minutes set on the use of the keychain.
See http://www.egeek.me/2013/02/23/jenkins-and-xcode-user-interaction-is-not-allowed/ for more info.

Also added comments to the script to increase readability.
fix misleading words when set additive property
Layer rendering is done by Core Animation

I think this should be Core Animation, not Core Graphics.
Update LLVM IR generation command
Correct relationship between frames and bounds

The original article states that frame and bounds always have the same size, which is not true if certain transforms have been applied. Updated text to state that they are only usually the same size, with a link to a helpful SO answer giving further detail.
Fix typo in VIPER article.

Add missing ‘d’ to NSManageObjects.
Add backticks around some code terms in VIPER article.

Also removed a ‘the’ before a class name; it is not usual to put ‘the’ before a name.
Merge pull request #53 from douglashill/viper-typo-and-code

Typo and code annotations in VIPER article
Merge pull request #52 from mrh-is/patch-1

Correct relationship between frames and bounds
Merge pull request #50 from ole/patch-1

Layer rendering is done by Core Animation
Merge pull request #47 from studentdeng/master

fix misleading words when set additive property
Merge branch 'master' of https://github.com/fbernardo/articles into fbernardo-master

Conflicts:
	2014-04-01-android_101_for_ios_developers.md
Merge branch 'fbernardo-master' into public-master
Merge pull request #41 from theyonibomber/patch-2

Another travis script fix
Merge pull request #51 from AlexDenisov/patch-1

Update LLVM IR generation command