Adding .gitattributes and .gitignore files

This is in preparation for the migration to git.
Add .gitignore file
Change-Id: I14a2e76ea33d4edddfc718dcdcce23b491b263f4
---
 .gitignore | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 .gitignore
Fix missing dispose calls in test app
Change-Id: I84af41d57bd0b100e4c4fe1eef0c3fdbe2875b6e
---
 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.
Use fixed version of icu.net

Update version number (and used build) to match what TeamCity builds use.