Added Git ignore file to prevent build files being seen as changed files
Added configuration options for x64 to vs2010 solution/project file
Renamed projects in VS2012 solution file to match the filename
Renamed projects in VS2003 solution file to match the filename
Merge pull request #5 from Photonios/master

Add .gitignore for typical auxiliary files on Windows, renamed projects to match VS version, added x64 to VS2010.
Revert "Added Git ignore file to prevent build files being seen as changed files"

This reverts commit fb21f3cca06e9ff367795ed47e6bb93a9cfcfcba.
Add ChangeLog entries for v2.1 release.
Add missing entry to ChangeLog for v2.1 release.
Change version to 2.1.0, i.e., use common semantic versioning system including patch number for bug fix releases.
Add release notes.
Mention Git branching model in NEWS.
Merge remote-tracking branch 'google/release' into 'master'.

Conflicts:
	gflags-vs2003.sln
	gflags-vs2010.sln
	gflags-vs2012.sln
	vsprojects/gflags_unittest/gflags_unittest-vs2010.vcxproj
	vsprojects/libgflags/libgflags-vs2010.vcxproj
Fix architecture used for RPM packages and DEB/RPM package file names.
Merge remote-tracking branch 'google/hotfix/rpm-package-architecture' into release
Merge remote-tracking branch 'google/release' into develop