Update to reflect changes in Clang.

In Clang r172904 bitreader dependency was introduced (CMake build succeeds
without bitreader dependency).
In Clang r172945 argc, argv were removed from createDiagnostics.

git-svn-id: http://include-what-you-use.googlecode.com/svn/trunk@434 812d1f90-f944-d88a-411a-122bdc93e1ea
Update with comments explaining how the test code provokes the problem in issue #89.

git-svn-id: http://include-what-you-use.googlecode.com/svn/trunk@435 812d1f90-f944-d88a-411a-122bdc93e1ea
Explicitly use UTC time for generation timestamp in heading.

git-svn-id: http://include-what-you-use.googlecode.com/svn/trunk@439 812d1f90-f944-d88a-411a-122bdc93e1ea
Fix issue #86. README is now generated from IWYU's Wiki content.
- Now includes information on pragmas and mappings
- Please use the Wiki for master edits, and regenerate using make_readme.py

git-svn-id: http://include-what-you-use.googlecode.com/svn/trunk@440 812d1f90-f944-d88a-411a-122bdc93e1ea