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
Merge pull request #959 from Metallicow/PyInstaller-.gitignore

PyInstaller .manifest