add downloads/ in Distribution / packaging
PyInstaller .manifest

# PyInstaller
#  Usually these files are written by a python script from a template
#  before PyInstaller builds the exe, so as to inject date/other infos
into it.
*.exe.manifest
*.manifest

Example template
```
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<assembly xmlns="urn:schemas-microsoft-com:asm.v1"
manifestVersion="1.0">
<assemblyIdentity
type="win32"
name="SourceCoder"
version="14.2.22.0"
processorArchitecture="x86"
/>
<description>Description</description>
<trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
<security>
<requestedPrivileges>
<requestedExecutionLevel level="asInvoker" uiAccess="false" />
</requestedPrivileges>
</security>
</trustInfo>
<dependency>
<dependentAssembly>
<assemblyIdentity
type="win32"
name="Microsoft.Windows.Common-Controls"
version="6.0.0.0"
processorArchitecture="x86"
publicKeyToken="6595b64144ccf1df"
language="*"
/>
</dependentAssembly>
</dependency>
<dependency>
<dependentAssembly>
<assemblyIdentity
type="win32"
name="Microsoft.VC90.CRT"
version="9.0.21022.8"
processorArchitecture="x86"
publicKeyToken="1fc8b3b9a1e18e3b"
/>
</dependentAssembly>
</dependency>
</assembly>
```
.spec files also
remove .exe.manifest ; Redundant
ExtJS JavaScript Framework gitignore

Added gitignore for Sencha ExtJS, a complete web app framework
http://www.sencha.com/products/extjs/
Update and rename ExtJS.gitignore to ExtJS MVC.gitignore
ExtJS ignore Updated with a cleaner explanation.
Added Zephir language gitignore
Added .gitignore for Ninja build system dependency-cache and log.
Replace app/bootstrap wildcard with explicit entry

See https://github.com/symfony/symfony-standard/commit/e7b7b0f366465b15a29f44d7ba17287bb0b8392b
Ignore bin folder
Add leading slashes
Keep cache and logs directories
Reorder entries
Rename "Dependencies" section into "Managed by Composer"
Move bootstrap file to "Managed by Composer" section
Rename Composer section
Rename Assets section
Merge pull request #1091 from nicwortel/update-symfony2

Update .gitignore for Symfony2
One more binary type to ignore