add downloads/ in Distribution / packaging
Create Momentics.gitignore

Ignore debug/release builds (those go in Releases)
Added recommended gitignore rules from Craft

Signed-off-by: Ryan Shrum <ryan@ehousestudio.com>
Add arm-p folder

arm-p is another compiled output folder, for device-profile builds
Create GitBook.gitignore
Add ebook build output in GitBook gitignore
Add REALbasic
Removing .DS_Store rule as it is included in global rules

Signed-off-by: Ryan Shrum <ryan@ehousestudio.com>
Update JetBrains.gitignore

To clarify when to ignore/include *.imls as per https://intellij-support.jetbrains.com/entries/23393067

also added optionals from the same
Updated following feedback

removed the iml filter - this is my current best understanding of the docs, but I'm still unsure
change iml

guess that root iml needs to be ignored and others need to be shared
Add ignores for bower-rails

bower-rails integrates bower.io into Rails, it allows you to have everything in a Bowerfile and install all vendor assets easily.
Update Unity.gitignore

Ignore the build directory in case a Unity build is initiated in the project.
Adding cache files and binary files
(TeX) Exclude files generated by using backref.

When doing \usepackage[backref]{hyperref} the pages of the references are shown in the bibliography.
Those files can be safely ignored.

Info: http://tex.stackexchange.com/a/7772/828
Updated Zend Framework gitignore as per docs

```
data/: This directory provides a place to store application data that is volatile and possibly temporary. The disturbance of data in this directory might cause the application to fail. Also, the information in this directory may or may not be committed to a subversion repository. Examples of things in this directory are session files, cache files, sqlite databases, logs and indexes.
```

As per docs...

http://framework.zend.com/manual/2.3/en/ref/project.structure.html
eledmac 1.12/ elepar 1.8 files ".eledsec"
Merge remote-tracking branch 'origin/master'
Merge pull request #1137 from samskiter/master

Update JetBrains.gitignore
Merge pull request #1157 from habi/master

(TeX) Exclude files generated by using backref.