Create Momentics.gitignore

Ignore debug/release builds (those go in Releases)
Add arm-p folder

arm-p is another compiled output folder, for device-profile builds
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
Update Unity.gitignore

Ignore the build directory in case a Unity build is initiated in the project.
(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
Merge pull request #1137 from samskiter/master

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

(TeX) Exclude files generated by using backref.
Update Node.gitignore

Updated link for the dependency directory from [this](https://npmjs.org/doc/faq.html#Should-I-check-my-node_modules-folder-into-git) to [this](https://www.npmjs.org/doc/misc/npm-faq.html#should-i-check-my-node_modules-folder-into-git-).
Merge pull request #1164 from joreyaesh/master

Updated link in Node.gitignore
Remove trailing space
Merge pull request #1167 from sigo/cleanup

Remove trailing space
Merge pull request #1152 from ChemiKhazi/patch-1

Update Unity.gitignore
Merge pull request #1158 from eddiejaoude/patch-1

Updated Zend Framework gitignore as per docs
Merge pull request #1105 from thurask/momentics

Create Momentics.gitignore
ignoring new Magento 1.9 default theme
Create LyX.gitignore

Ignores *.lyx~ (crash recovery) and *.lyx# (timed autosave) files generated by LyX - the document processor.
Merge pull request #1170 from gazebodude/lyx-backups

Create LyX.gitignore