Visual Studio: Git Team Explorer doesn't show any changes

When I add the project to source control (GIT) for the first time, it shows all the files and everything is pretty peach. I can keep working for about 30 minutes to 1 hour with all changes showing up (any file changes I make).

But after some time it shows that no file is edited no matter how many changes I make. I just don't get it...I looked at the .gitignore file and I don't see any file type I'm using, so I don't understand what's going on.

I'm working on a multi-tier MVC application, so I'm using a lot of C#, a bunch of .cshtml, etc.

tip? Google can't find anything. Here is the .gitignore file...I had the same problem as this guy...and he didn't have an answer!

When you save a changed file, its status automatically reverts to unchanged/committed (blue lock)

## Ignore Visual Studio temporary files, build results, and
## files generated by popular Visual Studio add-ons.

# User-specific files
*.suo
*.user
*.sln.docstates

# Build results

[Dd]ebug/
[Rr]elease/
x64/
build/
[Bb]in/
[Oo]bj/

# Enable "build/" folder in the NuGet Packages folder since NuGet packages use it for MSBuild targets
!packages/*/build/

# MSTest test Results
[Tt]est[Rr]esult*/
[Bb]uild[Ll]og.*

*_i.c
*_p.c
*.ilk
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.builds
*.pidb
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# Visual C++ cache files
ipch/
*.aps
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*.opensdf
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*.cachefile

# Visual Studio profiler
*.psess
*.vsp
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# Guidance Automation Toolkit
*.gpState

# ReSharper is a .NET coding add-in
_ReSharper*/
*.[Rr]e[Ss]harper

# TeamCity is a build add-in
_TeamCity*

# DotCover is a Code Coverage Tool
*.dotCover

# NCrunch
*.ncrunch*
.*crunch*.local.xml

# Installshield output folder
[Ee]xpress/

# DocProject is a documentation generator add-in
DocProject/buildhelp/
DocProject/Help/*.HxT
DocProject/Help/*.HxC
DocProject/Help/*.hhc
DocProject/Help/*.hhk
DocProject/Help/*.hhp
DocProject/Help/Html2
DocProject/Help/html

# Click-Once directory
publish/

# Publish Web Output
*.Publish.xml

# NuGet Packages Directory
## TODO: If you have NuGet Package Restore enabled, uncomment the next line
#packages/

# Windows Azure Build Output
csx
*.build.csdef

# Windows Store app package directory
AppPackages/

# Others
vsql/
*.Cache
ClientBin/
[Ss]tyle[Cc]op.*
~$*
*~
*.dbmdl
*.[Pp]ublish.xml
*.pfx
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# RIA/Silverlight projects
Generated_Code/

# Backup & report files from converting an old project file to a newer
# Visual Studio version. Backup files are not needed, because we have git ;-)
_UpgradeReport_Files/
Backup*/
UpgradeLog*.XML
UpgradeLog*.htm

# SQL Server files
App_Data/*.mdf
App_Data/*.ldf


#LightSwitch generated files
GeneratedArtifacts/
_Pvt_Extensions/
ModelManifest.xml

# =========================
# Windows detritus
# =========================

# Windows image file caches
Thumbs.db
ehthumbs.db

# Folder config file
Desktop.ini

# Recycle Bin used on file shares
$RECYCLE.BIN/

# Mac desktop service store files
.DS_Store