Implements support for setting/getting line width. TRAC #11531 Implements glLineWidth, and provides glGet results for LINE_WIDTH and ALIASED_LINE_WIDTH_RANGE. Signed-off-by: Andrew Lewycky Signed-off-by: Daniel Koch Author: Shannon Woods git-svn-id: https://angleproject.googlecode.com/svn/trunk@68 736b8ea6-26fd-11df-bfd4-992fa37f6226