v1.0rc2

Added:

• add $package placeholder
• add --rebuild option
• add main/nomain options for @provides tag
• add @metapackage tag
• enable {a,b} union glob syntax
• support repeated URL placeholders

Changed:

• always use unix line endings (even on windows)
• don't insert platform attribute to source tags unless necessary
• explicitly mark main files as such in the indexes
• ignore case when sorting XML nodes

Fixed:

• cdetector: fix highest-level platform selection
• cdetector: fix unknown platform handling
• cdetector: support explicit source type override
• check: don't report conflicts with already indexed packages
• check: fix packages in the root directory not being skipped
• fix crashes occuring when reading a bad index
• fix spurious conflicts when moving packages containing additional files
• fix url templates containing spaces being escaped twice
• git: support remote urls without .git suffix
• prevent messing with ordering when sorting equivalent nodes
• win32 installer: add check for failure to reload environment