Update howtobuild.md

Fix organization of code snippets
Merge pull request #794 from amoghe/patch-1

Update howtobuild.md
fix #494, Struct identifiers must be prefixed with the package name if they are not defined in current package.
fix #801, closures result parameter unsolve bug
Merge pull request #798 from bronze1man/pr-identifiers-without-packageName

fix #494, Struct identifiers must be prefixed with the package name if hey are not defined in current package
Merge pull request #802 from bronze1man/pr-ClosuresResultParameterUnsolveBug

fix #801, closures result parameter unsolve bug
Fix deprecations on IDEA14
Various fixes from inspections
Updated to 139.1.20 SDK
Fix deprecations post upgrade
Solve test data path inclusion in the test roots
Ignore tests for the moment
Suspend tests for now
Update build paths
build-test.xml updates
Add hard dependency on IntelliJ IDEA only and mark as available for IDEA 14