Merge pull request #1 from bbertrand/master

Fix compile error on OS X
v 1.0.1
Reading of Raw format from file fixed.
Added new categories.
v1.0.2
Added "hex" encode format (see in CAT048)
CAT20/I500 fixed data item length
Nonstandard characters replaced
1.0.3
05.07.2013.
Explicit format fixed (see example in asterix_cat021_0_26.xml)
Fixed bug that prevented parsing of multipl Data Records in one Data Block
Merge branch 'master' of http://github.com/CroatiaControlLtd/asterix
Fixed issue #4: Data Item I021/130 (ed. 0.26) parsing

The parser outputs latitude and longitude incorrectly, multiplied by 4. This is because scale in category definition is the same as for edition 1.x (180/2^23), but should be (180/2^25).
Fix Data Item I030/220 encoding

Rate of Climb/Descent is signed