PDFBOX-2405: error messages in the same structure like the "mandatory fields" messages

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1640987 13f79535-47bb-0310-9956-ffa450edef68
PDFBOX-2423: use LETTER as default pagesize if no mediabox is defined (see also PDFBOX 1515 / rev 1465217)

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1640989 13f79535-47bb-0310-9956-ffa450edef68
PDFBOX-2299: fix imports

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1640991 13f79535-47bb-0310-9956-ffa450edef68
PDFBOX-2509: Added /opt/adobe to font paths on Linux, and removed unused getCommonTTFMapping() methods

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1641018 13f79535-47bb-0310-9956-ffa450edef68
PDFBOX-2467: Don't use original font name when substituting the Microsoft alternative font names.

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1641021 13f79535-47bb-0310-9956-ffa450edef68
PDFBOX-1864: check whether font is embedded even if checkMandadoryFields has failed

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1641073 13f79535-47bb-0310-9956-ffa450edef68
PDFBOX-1864: fix typo

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1641074 13f79535-47bb-0310-9956-ffa450edef68
PDFBOX-1864: fix import

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1641075 13f79535-47bb-0310-9956-ffa450edef68
PDFBOX-1864: code cleanup

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1641076 13f79535-47bb-0310-9956-ffa450edef68
PDFBOX-1864: do all annotation checks everytime

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1641079 13f79535-47bb-0310-9956-ffa450edef68
PDFBOX-1864: do all annotation checks everytime; code cleanup

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1641080 13f79535-47bb-0310-9956-ffa450edef68
PDFBOX-1864: improve error messages

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1641088 13f79535-47bb-0310-9956-ffa450edef68
PDFBOX-1864: fix typo

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1641089 13f79535-47bb-0310-9956-ffa450edef68
PDFBOX-1864: improve error messages

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1641090 13f79535-47bb-0310-9956-ffa450edef68