Update build files with some improvements from the TortoiseSVN build files.
Bump version to 1.9.1
Update to serf 1.3.0 and svn 1.8.1
Fix the LNK4049 warning.
Fix issue #390.
*.build files: remove unneeded parentheses.
update Scintilla to v3.3.4
Exclude OpenSSL.build from default.build when cleaning since OpenSSL is cleaned separately.
This fixes the LNK4099 warnings and thus issue #389.
Before cleaning OpenSSL, recreate the mak build file.
* Specify /arch:IA32 for all the libraries * Use /GL only for release builds
