PDFBOX-1946: catch SecurityException and resulting null values when run in an applet

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1576202 13f79535-47bb-0310-9956-ffa450edef68
PDFBOX-1973: Don't wrap Exceptions with COSVisitorException

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1576203 13f79535-47bb-0310-9956-ffa450edef68
PDFBOX-1973: [Fix] Remove COSVisitorException from examples

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1576239 13f79535-47bb-0310-9956-ffa450edef68
PDFBOX-1963: Fix regression in ImageIOUtil

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1576245 13f79535-47bb-0310-9956-ffa450edef68
PDFBOX-1963: Use File in ImageIOUtil

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1576256 13f79535-47bb-0310-9956-ffa450edef68
PDFBOX-1946: set default value (missed two lines in last commit)

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1576436 13f79535-47bb-0310-9956-ffa450edef68
PDFBOX-1946: respect coding convention

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1576468 13f79535-47bb-0310-9956-ffa450edef68
PDFBOX-1973: Don't throw NoSuchAlgorithmException

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1576489 13f79535-47bb-0310-9956-ffa450edef68
PDFBOX-1975: fix ImageIOUtil so that resolution for BMP file is passed properly, add different handling of resolution for PNG and the rest

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1576520 13f79535-47bb-0310-9956-ffa450edef68
PDFBOX-1975: add the helper methods for the unit tests (not used yet)

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1576531 13f79535-47bb-0310-9956-ffa450edef68
PDFBOX-1975: enable the test for PNG files

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1576536 13f79535-47bb-0310-9956-ffa450edef68
Merge remote-tracking branch 'apache/trunk' into trunk