Revert "Upgrade to Tomcat 7.0.50"

This reverts commit 3d60696b9bab750b7a773a3012e7756f3aeebe67.
Revert direct dependency on Jasper pending changes in Tomcat
Add some clarifications to maven plugin README

Fixes gh-246
Special case for YAML ParseException caused by bad document boundary

YAML documents can be text literals, so some common typos can be misleading
and not generate the expected exception (Boot fails to cast the
document to a Map, rather than reporting the underlying exception).

Fixes gh-235
Tweak javadocs in SprinApplicationBuilder
Make some dependencies optional
Strip trailing whitespace
Update ant example to 1.0.0.BUILD-SNAPSHOT
Update copyright header for files changed in 2014
Fix some maven warnings
Final polish before 1.0.0.RC1
Polish eclipse settings
Apply latest eclipse cleanup rules
Make fields private where possible
Remove unused test dependency
Fix version replacement in homebrew generation
Fix version-type logic to deal with RCx form
Update READMEs to reference latest version number
Include spring-aspects in Spring Data JPA starter.

Declared spring-aspects as additional dependency in Spring Data JPA
starter pom. This is necessary to let the auditing feature work
correctly.
Change package name in sample