PDFBOX-1505: improved/fixed rendering of type 2 cff fonts as proposed by Robert Meyer

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1441918 13f79535-47bb-0310-9956-ffa450edef68
PDFBOX-1501: added workaround for endChar command having more than 1 number as proposed by Rahee Ghurbhurn

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1441928 13f79535-47bb-0310-9956-ffa450edef68
PDFBOX-1432: added some checks to avoid malformed streams

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1443124 13f79535-47bb-0310-9956-ffa450edef68
Merge remote-tracking branch 'upstream/trunk' into trunk
Example for creating pdf signature
- add a example class 
- add bouncy castle to the dependency