Merge pull request #38 from Gavruk/master

OS X UI fixes + duplicate collection feature
Merge pull request #39 from Gavruk/master

Remove Mac focus rect from BsonTreeWidget and ExplorerTreeWidget
Add namespace for keepAlive() ping when not using auth credentials;
fixes "assertion 16256 Invalid ns [.$cmd]" on ping.
Merge pull request #40 from Gavruk/master

Server explorer bg color like in Finder and buttons layout on OS X + space added in document position number
Merge pull request #41 from stennie/master

Add namespace for keepAlive() ping when not using auth credentials
Merge pull request #45 from Gavruk/master

OS X release libs
Build options for build.sh, clean.sh and rebuild.sh changed

Options
-------

Option -d          build in debug mode
Option -r          build in release mode
Option -a          build both in debug and release modes
Option -l <path>   use specified path as path to libs folder

If lib path (-l) wasn't specified, <robomongo>/libs folder will be used.
If no args were specified, it will be debug build.

Example
--------

./build.sh -r
./build.sh -d -l /path/to/libs
Merge branch 'master' of https://github.com/paralect/robomongo
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