Slightly modified the README.md

1. Changed some casing
2. Updated the link for "Git for Windows"
3. Changed some wording
4. Changed some paths
Update README.md
Improve msbuild efficiency & suppress build warning C4099 on Windows
Modified the command line command for running tests on Windows in README.md
Revert "Modified the command line command for running tests on Windows in README.md"

This reverts commit 4d0914d42d068caff036d57ae556a450bf26a0fe.
Update README.md

Add draft of Building for iOS
Update README.md

Add link to Create iOS app using odatacpp in Xcode
Update README.md

Remove libxml++ in brew install list.
Update README.md
Create new license
Update LICENSE.txt
Delete license.txt
Add license header
fix build issue in odata_codegen_tools
Fix some issues in code gen; Add some examples.
Add ios build script.
Change the name of the solution for building on Windows

From "odatacpp_tests.sln" to "odatacpp.sln"
First commit of the CONTRIBUTION.md
Add the link to the CLA file
Use contribution to replace issue tracker description