Fixed crash when the 1Password extension is shown before the web view is fully loaded.

This should resolve #116
Merge branch 'master' into bugfix/fix-crash-when-the-extension-is-called-before-the-webview-is-fully-loaded

Conflicts:
	OnePasswordExtension.m
[FIXED] Removed references of 1Password and Xcode Betas from the README
Merge pull request #129 from AgileBits/task/remove-beta-references-to-1password-and-xcode

[FIXED] Removed references of 1Password and Xcode Betas from the README
Merge branch 'master' into bugfix/fix-crash-when-the-extension-is-called-before-the-webview-is-fully-loaded
Replaced "Get" with "Obtain"
Updated version number to 1.1
Merge pull request #130 from AgileBits/release/1.1

Updated version number to 1.1
Merge pull request #120 from AgileBits/bugfix/fix-crash-when-the-extension-is-called-before-the-webview-is-fully-loaded

Fixed crash when the 1Password extension is shown before the web view is fully loaded.
Fixing missing parameter type

This fixes warning about multiple length methods in Xcode.
Merge pull request #134 from ppeszko/master

Fixing missing parameter type
Minimize the scope of some string consts

Help prevent "duplicate symbol" linker errors when this code is included more than once in an app (because one or more libraries includes this code).
And...two more potentially duplicate symbols fixed
oops - fix typos
Allow project prefix for all public symbols
Seems to be a day for typos...
Added support for the iPhone 6 and 6 Plus for ACME and ACME Browser

This PR should resolve #139.

**ACME**

**Before:**

![](https://www.evernote.com/shard/s340/sh/60979147-36a2-443b-b476-47b022e4b4f8/b39cf0f72bcc1bee5bc5b0107772abd7/deep/0/IMG_0185.png)

**After:**

![](https://www.evernote.com/shard/s340/sh/241c1ed4-790a-46ff-ae35-b3f503741386/63ee026aa4d327a57dbbe04c37c8fd8b/deep/0/IMG_0186.png)

**ACME Browser**

**Before:**

![](https://www.evernote.com/shard/s340/sh/0c18b0c1-2664-413d-bf7f-f40c15b2606a/4b3445d5971c7f80f2652191e1866cb4/deep/0/IMG_0188.png)

**After:**

![](https://www.evernote.com/shard/s340/sh/3f2f2b98-4c4c-48f2-86b8-64e443985e6b/60776fbf860336199487bde283f3c71c/deep/0/IMG_0187.png)
Updated images.xcassets for ACME
Use #defines to prevent duplicate symbol conflicts
tidy up a bit