Adding .gitattributes and .gitignore files

This is in preparation for the migration to git.
Add .gitignore file
Change-Id: I14a2e76ea33d4edddfc718dcdcce23b491b263f4
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 .gitignore | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 .gitignore
Fix missing dispose calls in test app
Change-Id: I84af41d57bd0b100e4c4fe1eef0c3fdbe2875b6e
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 PalasoUIWindowsForms.TestApp/TestAppForm.cs     | 42 ++++++++++++++-----------
 PalasoUIWindowsForms/i18n/LocalizationHelper.cs |  3 +-
 2 files changed, 26 insertions(+), 19 deletions(-)
Adjust folder specification in CrossPlatformSettingsProvider

If the program appears to be running in a build agent, the folder is
adjusted to account for the current active process.  This should minimize
some test problems caused by parallel concurrent builds.