Don't use java.util.regex for two simple wildcard cases

To improve ignore parser performance we can avoid using java.util.regex
code on simple wildcard patterns with leading or trailing asterisk. As
those patterns represent a majority of ignore rules, the index diff
performance can be drastically increased on huge repository with lot of
ignore rules.

Bug: 450466
Change-Id: I80428441cc8d5de5468813f841d89322413eed8b
Signed-off-by: Andrey Loskutov <loskutov@gmx.de>
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
Include the java7 feature in org.eclipse.jgit.feature

This way we no longer need to advertise it in the release train and can
uncategorize the jgit features without making it harder for users to
find and install the java7 feature.

Bug: 451276
Change-Id: I4c7dd0e1609fc1939d8ea83c01251dec59c228a3
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
Define version of javadoc plugin used to generate site

This silences the Maven warning "'reporting.plugins.plugin.version' for
org.apache.maven.plugins:maven-javadoc-plugin is missing"

Change-Id: I036210fefb6bd81ca04fcd91aaba0f9d0c1e8862
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>