Adds main classes for framework

[sttk]

Changes:

1. comment: added javadoc @param comments of ErrHandler

   This commit adds javadoc @param comment of ErrHandler which are forgotten to write.

2. chore: motified package directory name: sabi/nofity -> sabi/notify

   This commit corrects the misspell of the foler name.

3. chore: modified build.sh

   This commit removes compile and test command from default command execution, because jar includes compile and test executions.

4. feat: added main classes of this framework

   This commit adds implementations and unit tests of main classes of this framework.
   - Dax
   - DaxBase
   - DaxConn
   - DaxSrc
   - Logic
   - Proc
   - Runner

5. doc: modified README.md

   This commit adds the descriptions of Usage chapter, and adds Native build chapter.