Update README.md

I updated d-apt repository link.
Replace vibe install command by dub install because
Jordi's APT repository does't provide ``vibe`` package.
Updated DMD version.

Any way ``./setup-linux.sh`` doesn't work on Debian Wheezy:
Error:
```
Building configuration "application", build type debug
Running dmd (compile)...
Error: Executable file not found: 

Run 'dub help' for usage information.
```
Merge pull request #262 from zealotous/patch-1

Update README.md
Group the second overload of registerRestInterface under the same DOC comment.
fix the buggy function parseRFC822DateTimeString
Merge pull request #264 from carlor/fix_rfc822

Fix the buggy function parseRFC822DateTimeString
Make MongoDatabase.runCommand public and improve doc comments. Fixes #261.
Make adjustMethodStyle UTF-aware and fix converting names starting with an acronym.
Add unit tests for parseRFC822DateTimeString and toRFC822DateTimeString.
Add static assertions to verify #line statements.
Fix removing wrong header

This commit fixes the incorrect removing of the Content-Encoding header. Instead the Content-Length must be removed. Now the responses are compressed, i.e. usually less data is transmitted.
Merge pull request #268 from jkm/patch-1

Fix removing wrong header
Add reading encoded file from disk if present

This commit adds the ability to send pre compressed files if present
instead of compressing the file on each request.
Merge pull request #270 from jkm/use_encoded_file

Add reading encoded file from disk if present. See #143.
Fix possible compilation error in HashMap.get by avoiding inout and add HashMap.clear.
Fix line number specifications.
Replace InvalidMemoryOperationError by a proper AssertError in HTTPClientResponse.~this. See #273.
Add overload UDPConnection.connect(NetworkAddress), UDPConnection.localAddress and TCPConnection.localAddress/remoteAddress properties.
Add property HTTPClientRequest.localAddress.
Fix the VibeDist client code for the latest version.
Only listen on loopback for VibeDist requests for now.